1. Chemistry Urgent Help

    if 4.55 g of sodium sulphide and 15.0 g of bismuth nitrate are dissolved in separate beakers of water which are then poured togehter, what is the maximum mass of bismuth sulphide an insoulble compound that could precipitate? Which reactant was the

    asked by Hellen Nathy on January 7, 2010
  2. Chemistry ....Please help

    If 4.55 g of sodium sulphide and 15.0 g of bismuth nitrate are dissolved in separate beakers of water which are then poured together, what is the maximum mass of bismuth sulphide, an insoluble compound, that could precipitate? What reactant was the

    asked by Saira on January 14, 2010
  3. Chem Very Urgent

    if 4.55 g of sodium sulphide and 15.0 g of bismuth nitrate are dissolved in separate beakers of water which are then poured togehter, what is the maximum mass of bismuth sulphide an insoulble compound that could precipitate? Which reactant was the

    asked by Helly on January 8, 2010
  4. chemistry help plz

    if 4.55 g of sodium sulphide and 15.0 g of bismuth nitrate are dissolved in separate beakers of water which are then poured togehter, what is the maximum mass of bismuth sulphide an insoulble compound that could precipitate? Which reactant was the

    asked by bobsley plz conform on January 8, 2010
  5. Chemistry ....Please Double check

    If 4.55 g of sodium sulphide and 15.0 g of bismuth nitrate are dissolved in separate beakers of water which are then poured together, what is the maximum mass of bismuth sulphide, an insoluble compound, that could precipitate? What reactant was the

    asked by Saira on January 15, 2010
  6. chemistry

    2,4,6-Trinitroanilin can be prepared by nitration of p-nitroaniline with nitrate ions in the acidic solution. Chemical engineer sounds 0.50 grams of p-nitroaniline (dissolved in sulfuric acid) to react with 0.60 g of sodium nitrate (dissolved in sulfuric

    asked by jocckee on September 5, 2013
  7. chemistry

    Write chemical formouls detailwise 1. Ammonium acelate 2.forric cyanide 3. Sodium sulphide 4.calcium corbonate 5.silver acelatep 6.sodium nitrate

    asked by sai. college on October 2, 2011
  8. chemistry

    Suppose of copper (II) nitrate is dissolved in of a aqueous solution of sodium chromate. Calculate the final molarity of nitrate anion in the solution. You can assume the volume of the solution doesn't change when the copper (II) nitrate is dissolved in

    asked by madison on February 19, 2013
  9. Chem

    Solutions of sodium carbonate and silver nitrate react to form solid silver carbonate and a solution of sodium nitrate. A solution containing 3.30 g of sodium carbonate is mixed with one containing 3.00 g of silver nitrate. How many grams of each of the

    asked by Ezra on September 16, 2012
  10. chemistry

    What are the balanced equations and the net ionic equations for the following reactions? Sodium phosphate and cobalt nitrate Sodium carbonate and cobalt nitrate Sodium hydroxide and cobalt nitrate Sodium phosphate and copper nitrate Sodium bicarbonate and

    asked by Heny on April 17, 2012
  11. Chemistry

    Suppose 26.0g of sodium bromide is dissolved in 150mL of a 0.60M aqueous solution of silver nitrate. Calculate the final molarity of bromide anion in the solution. You can assume the volume of the solution doesn't change when the sodium bromide is

    asked by Angie on July 26, 2014
  12. Chemistry

    For which of following can the metal ions be separated from one another by adding solution of sodium hydroxide? (a) cobalt nitrate and aluminum nitrate (b) barium nitrate and potassium chloride (c) magnesium nitrate and nickel nitrate (d) potassium nitrate

    asked by Brandon O'Brien on June 7, 2017
  13. CHEMISTRY

    Which of the following solutions contain the greatest total ion concentration? a) one mole of potassium chloride dissolved in 1.0L of solution b)one mole of sodium phosphate dissolved in 1.0L of solution c)one mole of ammonium carbonate dissolved in 1.0L

    asked by Jon on March 13, 2011
  14. CHEMISTRY

    Which of the following solutions contain the greatest total ion concentration? a) one mole of potassium chloride dissolved in 1.0L of solution b)one mole of sodium phosphate dissolved in 1.0L of solution c)one mole of ammonium carbonate dissolved in 1.0L

    asked by Jon on March 13, 2011
  15. Chemistry

    Suppose 24.9 grams of copper (II) nitrate is dissolved in 200. milliliters of a 0.70 moles/liter aqueous solution of sodium chromate. Calculate the final molarity of nitrate anion in the solution.

    asked by Deborah on January 20, 2012
  16. chemistry

    Suppose 24.9 grams of copper (II) nitrate is dissolved in 200. milliliters of a 0.70 moles/liter aqueous solution of sodium chromate. Calculate the final molarity of nitrate anion in the solution.

    asked by Deborah on January 20, 2012
  17. chemistry

    A 15.0 g sample consisting of a mixture of silver nitrate and sodium nitrate is dissolved in water. This aqueous mixture then reacts with aqueous potassium chloride to form 3.97 g of solid. Calculate the percent by mass of silver nitrate in the first

    asked by Chuck on May 7, 2016
  18. chemistry

    predict the outcome of mixing aqueous solutions of the following reactions. write the ionic equations of each. mercury (ll) nitrate + ammonium iodide manganese (ll) chloride + sodium sulfide lead (ll) nitrate + sodium sulfate barium nitrate + lithium

    asked by TROUBLED on October 3, 2011
  19. 6 Entropy

    Using the thermodynamic data provided below, calculate the standard change in entropy when one mole of sodium nitrate is dissolved in water? S° (J/K•mol) NaNO3(s) 116.3 Na+(aq) 60.25 NO3–(aq) 146.4 Using the value you calculated, how will the

    asked by Nicole on May 3, 2011
  20. chemistry

    when aqueous solutions of copper II nitrate and sodium phosphate are mixed, sodium nitrate and copper II phosphate are formed. In the balanced chemical equation what is the coefficient of sodium nitrate?

    asked by grace on May 6, 2010
  21. Chemistry

    which of the following compounds dissolve in water?? -Sodium Nitrate (NaNO3) - Sucrose (C12H22O11) - Sodium Chloride (NaCl) - Potassium Sulfate (K2SO4) - Ethanol (C2H5OH) - Sodium Bicarbonate (Baking Soda)(NaHCO3) - Calcium Sulfate (CaSO4) i did an

    asked by Liz on September 25, 2009
  22. chemistry

    1. Divide the ions below into 2 groups, those that tend to form soluble compounds and those that tend to form insoluble compounds. (〖Pb〗^(+2), 〖Na〗^+, 〖Nh4〗^+, 〖Ag〗^+, 〖NO3〗^-, 〖OH〗^-, 〖Cl〗^-, 〖CO3〗^(-2), 〖PO4〗^(-3)) 2.

    asked by jhong on March 21, 2012
  23. chem

    a 6.54 g sample consisting of a mixture of silver nitrate and sodium nitrate is dissolved in water. this mixture then reacts with barium chloride to for 3.50 g of silver chloride. calculate the percent by mass of silver nitrate in the first mixture

    asked by christine on December 14, 2010
  24. chemistry

    Solid sodium nitrate can be decomposed to solid sodium nitrite and oxygen gas. If the percentage yield for the reaction is 80.4%, calculate the grams of sodium nitrite that will result from the decomposition of 955grams of sodium nitrate. 2 NaNO3 ¨ 2

    asked by lama on May 15, 2009
  25. To DrBob222

    Now I have to name the compounds below. Please correct any of my mistakes. Thank you very much in return:-) 1. ZrCl4 = Zirconium chloride 2. (NH)4C = Ammonium carbide 3. FeS = Iron Sulphide 4. CaO = Calcium Oxide 5. BeCl2 = Beryllium Chloride 6. K3N =

    asked by Sara on April 22, 2010
  26. chemistry

    how many grams of sodium nitrate can be dissolved in 200 g of waer at 10 Deg C?

    asked by diane on December 1, 2010
  27. chem

    Solutions of sodium carbonate and silver nitrate react to form solid silver carbonate and a solution of sodium nitrate. A solution containing 3.10 of sodium carbonate is mixed with one containing 4.43 of silver nitrate. How many grams of silver nitrate are

    asked by joel on February 23, 2015
  28. Chemistry - Science

    A 6.70 g sample of a binary mixture of silver (I) nitrate and sodium nitrate is completely dissolved in water to make a solution. Aqueous barium chloride is then added to this solution in excess to form 3.60 g of silver chloride solid. What is the percent

    asked by Anonymous on March 25, 2014
  29. Chemistry

    An aqueus solution of sodium mitrate(NaNO3) contains 0.85 grams of sodium nitrate and its concentration is 0.1mol L^-1. What is the volume. in millilitres, of the sodium nitrate solution?

    asked by Jeconiah on August 25, 2012
  30. Chemistry

    The concentration of barium ions in any solution can also be determined via gravimetric analysis. An impure sample of barium nitrate with a mass of 1.234 g, is completely dissolved in water and the resulting solution is reacted with an excess of aqueous

    asked by sarah on January 13, 2016
  31. Chemistry

    The concentration of barium ions in any solution can also be determined via gravimetric analysis. An impure sample of barium nitrate with a mass of 1.234 g, is completely dissolved in water and the resulting solution is reacted with an excess of aqueous

    asked by sarah on January 13, 2016
  32. chemistry

    The addition of a dilute hydrobromic acid would clearly distinguish solutions of a. barium nitrate and sodium sulfate b. lead nitrate and silver nitrate c. mercury(I) nitrate and silver nitrate d. silver nitrate and calcium sulfate e. calcium nitrate and

    asked by Joe on December 18, 2009
  33. Science IPS

    A mass of 10 g of sodium nitrate is dissolved in 10cm3 of water at 80 degrees (c). As the solution is cooled, at what temperature will a precipitate first appear?

    asked by Kailey on December 1, 2014
  34. solubility graph

    What temperature is necessary in order to dissolve twice as much fo these solids in 100cm3 of water as can be dissoved at 20gC. a. sodium nitrate b. potassium nitrate c. sodium choride

    asked by tony on November 10, 2008
  35. SCIENCE

    The most common ion dissolved in river water is chloride, carbonate, sodium, phosphate, or nitrate. I think the answer is sodium chloride but the answer has these two separated. Is the answer just sodium? No, the answer is not sodium. The answer is

    asked by Pat on December 20, 2006
  36. chemistry

    calculate the volume in milliliters of 3.6 mol/L sodium nitrate solution that contains 325 mmol of sodium nitrate

    asked by Mal on March 8, 2011
  37. chemistry

    A mixture of 3.00 g of silver and copper metals was dissolved in excess nitric acid. Resulting salts, silver(I) nitrate and copper(II) nitrate, were isolated and dissolved in enough water to make 0.100 L of a solution with a total concentration of the

    asked by al on September 29, 2014
  38. Physical science

    a mass of 10g of sodium nitrate is dissolved in 10ml of water at 80 degrees celsius, at what temperature will it start to precipitate?

    asked by Abraham on January 6, 2015
  39. Science

    Describe and explain 2 ways ti separate a mixture o sulphur powder and sodium nitrate crystals to collect pure samples

    asked by Abbie on October 16, 2016
  40. Chemistry

    A solution of 100.00mL of 0.2000mol/L sodium carbonate and 200.00mL of 0.1000mol/L calcium nitrate solutions are mixed together according to the reaction: sodium carbonate + calcium nitrate→ calcium carbonate + sodium nitrate. how would you calculate the

    asked by Walker on August 20, 2012
  41. chem

    I have the following problems- write net ionic equations for reactions if no reaction write NR.... silver nitrate and ammonium carbonate sodium phosphate and potassium nitrate silver nitrate and barium chloride copper (II) chloride and sodium hydroxide

    asked by mel on November 2, 2007
  42. chemistry

    suppose as student returned some unused lead nitrate to the container marked sodium nitrate. what could the student do to get all the lead ions out from the sodium nitrate?

    asked by mira on April 2, 2016
  43. Chemistry

    Identify the precipitate(s) of the reaction that occurs when a silver nitrate solution is mixed with a sodium chloride solution. Check all that apply. silver nitrate sodium chloride sodium nitrate silver chloride

    asked by Betty on October 5, 2016
  44. chemistry

    whcih of the folllowing values is the amount of sodium nitrate that can be dissolved in 100mL of water of 40 degrees celcius? A- 0g B-40g C-100g D-130g

    asked by mikayla on November 28, 2011
  45. science

    ka value for acetic acid,aluminium nitrate,zinc nitrate,ammonium nitrate and sodium dihydrogen phosphate?

    asked by cf september on August 19, 2010
  46. Chemistry

    Silver(I) nitrate and sodium sulfate react to form silver(I) sulfate and sodium nitrate. Suppose 45.98 mL of 0.060 M silver(I) nitrate solution and 26.64 mL of 0.10 M sodium sulfate solution are mixed. What is the maximum number of grams of silver(I)

    asked by Jade on February 22, 2012
  47. Chemistry

    Silver(I) nitrate and sodium sulfate react to form silver(I) sulfate and sodium nitrate. Suppose 49.02 mL of 0.040 M silver(I) nitrate solution and 39.48 mL of 0.10 M sodium sulfate solution are mixed. What is the maximum number of grams of silver(I)

    asked by Bob on September 26, 2017
  48. chem.

    Silver(I) nitrate and sodium sulfate react to form silver(I) sulfate and sodium nitrate. Suppose 43.5 mL of 0.040 M silver(I) nitrate solution and 26.58 mL of 0.10 M sodium sulfate solution are mixed. What is the maximum number of grams of silver(I)

    asked by Tiffany on February 28, 2010
  49. chemistry

    if 5.2 grams of bismuth react under certain conditions with 10.0 g of oxygen what is the empirical formula of the bismuth formed

    asked by Katie on October 22, 2013
  50. AP Chemistry

    The solubility of sodium nitrate is 32 grams in 50.0 grams of water at 60 degrees C. If 60 grams of potassium nitrate are mixed with 50.0 grams of water, determine the percentage of sodium nitrate that remains undissolved.

    asked by Katelyn on January 23, 2013
  51. AP Chemistry

    The solubility of sodium nitrate is 32 grams in 50.0 grams of water at 60 degrees C. If 60 grams of potassium nitrate are mixed with 50.0 grams of water, determine the percentage of sodium nitrate that remains undissolved.

    asked by Katelyn on January 23, 2013
  52. Chemistyr

    Eighty grams of sodium nitrate dissolved in 50 grams of water will make what type of solution?

    asked by Kayla Johnson on March 28, 2012
  53. Chem

    Given that 277J of heat are absorbed when 1.12g of sodium nitrate are dissolved in water, calculate the heat of reaction.

    asked by Shirley on July 15, 2012
  54. chemistry

    How many grams of bismuth (III) chloride can be produced from 575 mL of chlorine gas at STP when reacting with excess bismuth metal?

    asked by nicholas on November 25, 2015
  55. Chemistry

    Suppose that 2.00mL of 0.02 mol/L aqueous sodium sulphide, Na2S is used to test a 60.0mL sample of water containing 0.0004 mol/L mecury (II) nitrate Hg(NO3)2, ions. a. Write the balanced equation Hg(NO3)2 + Na2S = HgS + 2NaNO3 b. Determine the limiting

    asked by Lauren on November 20, 2017
  56. chemistry

    Suppose that 2.00mL of 0.02 mol/L aqueous sodium sulphide, Na2S is used to test a 60.0mL sample of water containing 0.0004 mol/L mecury (II) nitrate Hg(NO3)2, ions. a. Write the balanced equation Hg(NO3)2 + Na2S = HgS + 2NaNO3 b. Determine the limiting

    asked by sharon on April 8, 2015
  57. Qualitative analysis

    X is a solution containing both sodium chloride and sodium sulfate. Three of the following solutions will produce a white precipitate on addition of X. Which one remains clear? A) Aqueous ammonia C) Lead(ll) nitrate B) Barium chloride D) Silver nitrate

    asked by Cheezel on November 17, 2016
  58. Physical Science

    Here are some half-lives for different isotopes of bismuth (Bi): Bi-211 — 2.1 minutes Bi-212 — 60.6 minutes Bi-213 — 45.7 minutes Bi-214 — 19.9 minutes If there are 200 grams of one isotope of bismuth, and after 60.6 minutes there are 100 grams of

    asked by jen on February 7, 2015
  59. Grade 10 Science

    Why is the name for the ionic bond FeS Iron (II) Sulphide when the charges on iron and sulphur are +2 and -2? Shouldn't the name be Iron (I) Sulphide? Same goes for Copper (II) Sulphide. Please explain!

    asked by Alisha on February 15, 2011
  60. chemistry

    What would be made if hydrogen sulphide gas was bubbled through a solution of zinc nitrate

    asked by kennedy on January 4, 2017
  61. science

    Suppose you were balancing a chemical equation that contained the substance sodium nitrate, NaNO3, composed of a sodium ion, Na+1, and a nitrate ion, (NO3)-1. Could you change any of these numbers in order to balance the equation?

    asked by m on August 25, 2014
  62. Chemisrty

    If you were balancing a chemical equation that contained the substance sodium nitrate, NaNO3, composed of a sodium ion, Na+1, and a nitrate ion, (NO3)-1, what number or numbers could you change in order to balance the equation?

    asked by Liz on June 30, 2010
  63. chemistry

    what would be observed when combining an aqueous mixture of: potassium carbonate and hydrochloric acid, zinc chloride and silver nitrate, magnesium chloride and sodium hydroxide, ammonium nitrate and sodium hydroxide?

    asked by sarah on February 28, 2016
  64. chemistry

    1. describe in outline a suitable procedure for the preparation of saturated solution of sodium nitrate at 30 degree celsius 2. State 2 techniques that can be used to recover crystals of the sodium nitrate from its saturated solution

    asked by peter on January 8, 2014
  65. chemistry

    A solution of sodium nitrate, NaNO3, in 200 g of water is saturated at 50°C. If the solution is cooled to 20°C, how many grams of sodium nitrate will precipitate from the solution?

    asked by KSLE on September 13, 2010
  66. chemistry

    Predict how the compound Calcium Chloride would react to calcium nitrate, silver nitrate, Silver Nitrate + Ammonium Hydroxide,Silver Nitrate + Sodium Thiosulfate?

    asked by jill on February 9, 2016
  67. General Chemistry

    if lead nitrate was added to sodium nitrate, how could one get the lead ions out of the sodium nitrate?

    asked by Alex on April 11, 2010
  68. chemistry

    How do I balance this equation for silver nitrate and sodium chloride reacting to form sodium nitrate and silver chloride. AgNO3 + NaCl = AgCl2 + NaNO3

    asked by kayla on January 7, 2009
  69. chemistry

    what is the word equation for aqueous solutions of sodium chloride and silver nitrate are mixed to make an aqueous of sodium nitrate and silver choride solid

    asked by des on May 11, 2011
  70. Science

    calculate the mass of sodium nitrate in grams in a 150 ml solution of a 5.00 M solution of sodium nitrate

    asked by Stephanie on April 19, 2011
  71. chemistry

    2.00mL of 0.01 mol/L aqueous sodium sulphide is used to test a 50.omL sample of water containing 0.0005 mol/L mercury (II) nitrate ions. What mass of precipitate is formed? Na2S + Hg(NO3)2 --- 2NaNo3 + HgS determine limiting reactant using limiting

    asked by Kelsey on August 13, 2010
  72. Chemistry

    When 50.0 g of iron(3)nitrate, FE(NO3)3, is dissolved in water , the number of nitrate ions present in the solution is

    asked by Patrick on December 6, 2010
  73. chemistry

    Write an equation for the reaction that take place in hydrogen sulphide gas when bubbled through a solution of zinc nitrate

    asked by kennedy on January 4, 2017
  74. Stoichometry

    Solutions of sodium carbonate and silver nitrate react to form solid silver carbonate and a solution of sodium nitrate. A solution containing 0.55 mole of sodium carbonate is mixed with one containing 0.55 mole of silver nitrate. After the reaction is

    asked by Nicola on December 19, 2012
  75. chemistry

    how do i write a net ionic equation for Lead (II) Nitrate and Sodium Carbonate react to form Lead Carbonate and Sodium Nitrate??

    asked by caren on December 11, 2007
  76. college math

    a medical institution request 1 gram of bismuth-214 which has a half life of 20 min. How many grams of bismuth-214 must be prepared if the shipping time is 2 hours.

    asked by shelly on October 18, 2017
  77. Chemistry

    A 10.00 gram solid sample consisting of a mixture of sodium chloride and potassium sulfate is dissolved in 100.0 mL of water is combined with another 200.0 mL solution that contains excess aqueous lead(II) nitrate. Upon mixing the two solutions, a solid

    asked by keitanako on March 18, 2014
  78. chemistry

    Rank the following elements by electron affinity, from most positive to most negative EA value: tellurium, bismuth, neon, sodium, iodine i tried Te, Bi, Na, I, Ne and it was incorrect.

    asked by Anna on November 6, 2014
  79. College Chemistry

    If current is passed in an electrolytic cell containing sodium nitrate, NaNO3, dissolved in water, what are the products at the anode and the cathode? If it's dissolved in water then it is: NaNO3 -> Na+ + NO3- right? So you have... Anode: NaNO3 -> Na+ + e-

    asked by James on November 29, 2010
  80. chemistry

    You are tasked with preparing a 500mL nutrient solution containing 5mg/L of phosphorous (P), 3mg/L nitrate (NO3 -) and 100 mg/L chloride (Cl-). To make this solution, you have powdered sodium chloride, a 100 mg/L solution of phosphorus, a 1000 mg/L of

    asked by Bruce on January 13, 2014
  81. chem

    thanks Is sodium nitrate polar or nonpolar and how do I figure this out? thanks You need to consult your text or your notes to see what you teacher calls ionic and what s/he calls covalent. Generally, a difference in electronegativity (you can look up the

    asked by Filmore on April 19, 2007
  82. solubility graph

    A mass of 30 f of potasium nitrate is dissolved in 100 cm3 of water at 100gC. How many more grams of potassium nitrate must be added to saturate the solution?

    asked by tony on November 10, 2008
  83. Scienc

    The dissolution of ammonium nitrate in water changes the temperature of water from 21C to - 1C(ice). If the molar enthalpy of ammonium nitrate is 25.7kj/mol. Determine the mass of ammonium nitrate that was dissolved

    asked by Marc on May 23, 2016
  84. Chemistry 22

    1. Lead (Pb), has a density of 11.35 g/ml. If I have 3.45 cc of lead, what is the weight in grams? 4. I am traveling at 100 mph per hour before getting pulled over. Convert this into meters Per second. (A) 161 m/s (C) 161000 m/s (B) 4.44 m/s (D) 44.4 m/s

    asked by Ivy on August 31, 2010
  85. Chem -plz check work

    suppose that 2.00 mL of 0.01 mol/L sodium sulphide is used to test a 50.0 mL sample of water containing 0.0005 mol/L mercury nitrate ions. What mass of precipate is formed? Na2 = Hg(NO3)2 --->2NaNO3 + HgS My Work: nNa2S=0.002*0.01 =0.0002 mol

    asked by Lori on May 28, 2008
  86. Chemistry

    What is the precipitate of calcium nitrate, Ca(NO3)2, and sodium chloride, NaCl?? Sodium nitrate and calcium chloride are both soluble in water.

    asked by none on October 29, 2006
  87. AP Chemistry

    When 0.055 moles of lead(II) nitrate are dissolved in enough water to make 803 mililiters of solution, what is the molar concentration of nitrate ions? Answer in units of M.

    asked by Lacey on September 19, 2012
  88. Chemistry

    When 0.046 moles of lead(II) nitrate are dissolved in enough water to make 485 milliliters of solution, what is the molar concentration of nitrate ions? Answer in units of M.

    asked by Cheyenne on September 23, 2010
  89. Chemistry

    When 0.016 moles of lead(II) nitrate are dissolved in enough water to make 748 mililiters of solution, what is the molar concentration of nitrate ions? Answer in units of M.

    asked by Mike on October 11, 2010
  90. Chemistry

    When 0.083 moles of lead(II) nitrate are dissolved in enough water to make 617 mililiters of solution, what is the molar concentration of nitrate ions? Answer in units of

    asked by Rara on October 2, 2011
  91. chemistry

    Write balanced equations to show the thermal decomposition of calcium nitrate and sodium nitrate.

    asked by Sabrine on July 26, 2017
  92. Chemistry

    If I added sodium carbonate to magnesium nitrate, would it be insoluble & a precipitate forms? If I added sodium carbonate to calcium nitrate, would it be insoluble & precipitate forms? Adding sodium carbonate to strontium nitrate: insoluble, precipitate

    asked by Anonymous on December 3, 2008
  93. science

    what mass of silver nitrate will react with 5.85g of sodium chloride to produce 14.35g of silver chloride and 8.5g of sodium nitrate,if the law of conservation of mass is true?

    asked by Anonymous on January 24, 2016
  94. Chemistry

    8.76g of aluminum sulphide is added to 0.0350L of 0.250mol/L lead(II)nitrate solution. calculate the maximum mass of precipitate, PbS that can form

    asked by paul on January 27, 2011
  95. Naming Ionic Compounds

    Can you please have a look at my questions. Thank you very much in return:-) 1. Will 2 metals develop an ionic compound? Clarify. I don't think they will, but I don't know how to explain. I only know that in order to form ionic compounds, the total number

    asked by Sara on April 21, 2010
  96. Chemistry--Plz HELP!

    How would i go about balancing the following equation? My teacher said something about the charges: Silver Nitrate + Sodium Phosphate = Silver Phosphate + Sodium Nitrate

    asked by Ali on March 1, 2012
  97. soran university

    1. Which salt is LEAST soluble at 0 ºC? 2. How many grams of sodium nitrate, NaNO3, are soluble in 100 g of water at 10 ºC? 3. When 50 grams of potassium chloride, KCl, is dissolved in 100 grams of water at 50 ºC, the solution can be correctly described

    asked by zagros on November 24, 2014
  98. chemistry

    a) The combustion of an organic compound in the presence of excess oxygen produced a gas , which makes clear lime water turbid. What element can be identified? b) A sample of this compound is treated with hot molten sodium metal, the obtained mixture is

    asked by angy on February 13, 2016
  99. chemistry

    a) The combustion of an organic compound in the presence of excess oxygen produced a gas , which makes clear lime water turbid. What element can be identified?  b) A sample of this compound is treated with hot molten sodium metal, the obtained mixture is

    asked by angy on February 13, 2016
  100. CHEMISTY

    Determine the molarity of sodium cations in solution when 6.21 g of sodium sulflate are mixed with 2.97 g of sodium nitrate in pure water to produce 350.0 mL of solution.......please explain every step. thanks!

    asked by Jenni on December 13, 2010