1. chemistry

    2Na3PO4 + 3CaCl2 ----> Ca3 (PO4)2 + 6NaCl how many moles of CaCl2 remain if .10 mol Na3PO4 and .40 mol CaCl2 are used? When amounts of both materials are listed one must worry about which is the limiting reagentalthough the problem seems to suggest that

    asked by Hawk on June 21, 2006
  2. Chemistry

    Identify the balanced net ionic equation for the reaction 2Na3PO4(aq) + 3CaCl2(aq)¨ 6NaCl(aq) + Ca3(PO4)2(s)

    asked by Dan on April 8, 2010
  3. chemistry

    3CaCl2+2Na3PO4 -----------> 1Ca3(PO4)2+6NaCl Did I correctly balance this equation?

    asked by Wurola on April 23, 2012
  4. Chemistry

    Write the net ionic equation for this reaction occurring in water: Sodium phosphate and calcium chloride are mixed to form sodium chloride and calcium phosphate. 1. No reaction occurs. 2. 2Na3PO4 + 3Ca2+ -> 6Na+ + Ca3(PO4)2 3. 2 PO3−4 + 3Ca2+ ->

    asked by Elva on October 16, 2010
  5. Chemistry

    3Ca(NO3)2(aq)+2Na3PO4(aq)->Ca3(PO4)2(s)+6NaNO3(aq) A.)the moles Na3PO4 required to react with 2.03 L of 0.891 M Ca(NO3)2 B.)the grams of Ca3(PO4)2 that can be obtained from 136 mL of 0.627 M Ca(NO3)2 C.)the volume of 0.76 M Na3PO4 needed to react with 25

    asked by Anonymous on December 10, 2010
  6. Chemistry

    Equation: 3CaCl2 (aq) + 2 Na3PO4 (aq) → Ca3(PO4)2 (s) + 6 NaCl (aq) How many grams of Ca3(PO4)2 are formed when 450.0 g NaCl are formed in the reaction? please show steps, please

    asked by Sarah on February 6, 2013
  7. Chemistry

    3Ca(NO3)2(aq)+2Na3PO4(aq)->Ca3(PO4)2(s)+6NaNO3(aq) (a) the grams of Ca3(PO4)2 that can be obtained from 126 mL of 0.750 M Ca(NO3)2 (b) the volume of 0.10 M Na3PO4 needed to react with 13 mL of 0.30 M Ca3(NO3)2 (c) the molarity (M) of the Ca(NO3)2 solution

    asked by Sam on May 1, 2011
  8. science

    Ca3(PO4)2 + 2H2SO4 = 2CASO4 + Ca(H2PO4)2 How many moles of CaSO4 can be produced by the reaction of 0.39 moles of Ca3(PO4)2 with excess H2 SO4?

    asked by neil on October 24, 2010
  9. Gen Chemistry

    i got the moles of Ca3(PO4)2=0.01275549 but how do i covert that to moles of CaCl2? using the stoichiometric ratio which is 1:1 or am i doing something wrong

    asked by Kevin on December 11, 2010
  10. Chemistry

    How many moles of K3PO4 are required to react completely with 4.5 moles of CaCl2 2K3PO4 + 3CACl -> Ca3(PO4)2 + 6KCL

    asked by James on June 16, 2009
  11. Chemistry

    If 0.0142 M aqueous Cl- is produced stoichiometrically according to the balanced equation in a reaction solution with a total volume of 1480 mL, how many mol of solid Ca3(PO4)2 are produced? 3 CaCl2(aq) + 2 Na3PO4(aq) → Ca3(PO4)2(s) + 6 NaCl(aq)

    asked by Jody on February 17, 2012
  12. chemistry

    Refer to 3CuCl2 (aq)+2Na3PO4 (aq) = Cu3(PO4)2+6NaCl (aq) If a student started with 18 grams of CuCl2 and enough Na3PO4 to completely react, how many grams of Cu3(PO4)2 will (theoretically) be produced?

    asked by Carly on October 16, 2011
  13. chemistry

    What volume of 0.174M Na3PO4 solution is necessary to completely react with 89.1mL of 0.106M CuCl2? 2Na3PO4(aq) + 3CuCl2(aq) produces Cu3(PO4)2(s)+ 6NaCl(aq)

    asked by Anonymous on October 9, 2010
  14. Chemistry

    check answer please 10. 2 Ca3(PO4)2(s) + 6 SiO2(g) + 10 C(s) ---> P4(s) + 6 CaSiO3(s) + 10 CO(g) If 39.3 g of Ca3(PO4)2, 24.4 g of SiO2 and 8.00g of C are available, find the limiting reagent. n Ca3(PO4)2= 0.127 moles n SiO2= 0.135 moles n C= 0.133 moles

    asked by Shine bright shine far on March 3, 2019
  15. Chemistry

    1. Ca(OH)2 + H3PO4 ---> H2O + Ca3(PO4)2 (A) How many moles of H3PO4 are needed to make 15g of H2O? (B) What mass in grams of Ca(OH)2 is used to react with 5.6mol of H3PO4? (C) How many grams of Ca3(PO4)2 are made from 134g of Ca(OH)2? 2. Fe2O3 + CO ---> Fe

    asked by Sulon on March 26, 2011
  16. chemistry

    Consider the following reaction: 2Na3PO4(aq)+3CuCl2(aq) = Cu3(PO4)2(s)+ 6NaCl(aq) If 75mL of .175 M Na3PO4 combined with 95mL of .102M CuCl2, determine the concentration of the excess reagent.

    asked by Anonymous on June 11, 2012
  17. Chemistry

    # moles of Ca3(PO4)2 produced from 3100g Ca3(PO4)2

    asked by Rebecca on March 3, 2011
  18. Chemistry

    What is the total ionic equation of this: 3CaCl2(aq) + 2K3PO4(aq) → Ca3(PO4)2(s) + 6KCl(aq) Shw all physical states of the reactants and products

    asked by John on September 26, 2014
  19. chemistry

    caculation: 2Na3PO4(aq)+3BaCl2(aq)-> 6NaCl(aq)+Ba3(PO4)2(s) a)determine the maximum g of Ba3(PO4)2 that can be formed from your mass of Na3PO4x12H2O b)determine the maximum gram of Ba(PO4)2 that can be formed from your mass of BaClx2H2O

    asked by marilyn on October 11, 2011
  20. chemistry

    H3PO4+3Ca(OH)2=Ca3(PO4)2=6H2O If 44.6g of Ca3(PO4)2 are formed in the above reaction, how many moles of H3PO4 must have been consumed?

    asked by sandy on October 24, 2014
  21. Limiting Reactant (Chemistry)

    What is the limiting reactant for the following reaction if there are 3.4 moles of Ca(NO2)2 and 2.4 moles of Li3PO4? 3Ca(NO2)2 + 2Li3PO4 --> 6LiNO2 + Ca3(PO4)2 A)Ca(NO2)2 B) Li3PO4 C) LiNO2 D) Ca3(PO4)2

    asked by Petey on April 9, 2016
  22. Chemistry

    I am not sure on how to identify reaction types. It is the only thing I need help with 1. 3BaCl2 + 2Na3PO4 ---> 6NaCl + Ba3 (PO4)2 2. C6H12O6 + 6O2 ---> 6CO2 + 6H2O 3. 2H2 + O2 ---> 2H20 4. Zn + Pb(NO3)2 ---> Zn(NO3)2 + Pb

    asked by Anonymous on March 30, 2018
  23. Chemistry

    Identify the precipitate in this reaction: calcium nitrate reacts with sodium phosphate. 2Na3PO4 + 3Ca(NO3)2--->6NaNO3 + Ca3(PO4)2 is that right ?

    asked by Ciaria on March 3, 2015
  24. chemistry

    Using the balanced equation, determine the number of NaNO3 units in the visualization in the reaction. 3Ca(NO3)2(aq) + 2Na3PO4(aq) → 6NaNO3(aq) + Ca3(PO4)2(s)

    asked by eng on January 20, 2010
  25. chem hwk help!

    Given the following reaction: 3 CaCl2 + 2 H3PO4 Ca3(PO4)2 + 6 HCl How many grams of H3PO4 are needed to react completely with 1.837 g of CaCl2? I don't understand at all

    asked by Annie on January 25, 2013
  26. Chemistry

    1. Ca(OH)2(aq) + H3PO4(aq) à Ca3(PO4)2(aq) + H2O(l) a. If you have 13.7mol of Ca(OH)2, how many grams of H2O are produced? b. How many grams of H3PO4 are required to produce 102.3g Ca3(PO4)2? c. How many moles of Ca(OH)2 are needed to produce 82.9g of

    asked by Sulon on March 26, 2011
  27. Chemistry

    What is the solubility of Ca3(PO4)2 in 0.045 M of CaCl2

    asked by Roderick on April 21, 2013
  28. Chemistry quick question

    Ok so a quick question. I have the equation Ca3(PO4)2 --> 3Ca+2 + 2PO4-3 Sorr its confusing, int he first part the 3 4 and too are all little numbers at the bottom, for the second part the +2 and -3 are small numbers at the top to show the charges. Ok so

    asked by Tracy on June 20, 2006
  29. Chemistry

    I have a reaction here: 2Na3PO4.12H2O + 3BaCl.2H2O --> Ba3(PO4)2 + 6NaCl + 30H2O and a question: 0.349g of BaCl2.2H2O and 0.624g of Na3PO4.12H2O are dissolved in 500mL of water to form a solution - how many grams of the excess reactant remain after the

    asked by Lacey on September 25, 2007
  30. Chemistry

    58% Ca3 (PO4) 2 how many phosphorus are in 10 kg bones? Ca3(po4)2+SiO2+C=CaSiO3+P4

    asked by Diana on February 17, 2013
  31. Chemistry

    Consider the following chemical equation. Na3PO4(aq) + Ca(OH)2(aq) → Ca3(PO4)2(s) + NaOH(aq) How many grams of calcium hydroxide must react to give 2.81 g of Ca3(PO4)2? please explain step by step

    asked by Anonymous on November 2, 2010
  32. Chemistry

    Teeth and bones are composed, to a first approximation, of calcium phosphate, Ca3(PO4)2(s). The Ksp for this salt is 1.3*10^-32 at 25°C. Calculate the concentration of calcium ion in a saturated solution of Ca3(PO4)2.

    asked by Amy on November 21, 2010
  33. Chemistry

    Teeth and bones are composed, to a first approximation, of calcium phosphate, Ca3(PO4)2(s). The Ksp for this salt is 1.3 10-32 at 25°C. Calculate the concentration of calcium ion in a saturated solution of Ca3(PO4)2. Please, help!

    asked by Laura on May 9, 2011
  34. physical science

    what are the number of moles of phosphorus in 15 moles of Ca3(PO4)2

    asked by ann on July 26, 2012
  35. chemistry

    As a result of mineral erosion and biological activity, phosphate ion is common in natural waters, where it often precipitates as insoluble salts, such as Ca3(PO4)2. Calculate Qsp when [Ca2+]init = [PO43-]init = 2.161 10-6 M in a given river. Ksp of

    asked by lisa on March 6, 2015
  36. chemistry

    3CaCO3+2FePO4-->Ca3(PO4)2+Fe2(CO3)3 We start with 100g. of calcium carbonate and 45g. iron (III) phosphate. What is the maximum amount of Ca3(PO4)2 and Fe2(CO3)3 ??

    asked by emily on May 14, 2012
  37. please

    How many moles of Ca(OH)2 are needed to produce 82.9g of Ca3(PO4)2?

    asked by Anonymous on March 21, 2014
  38. chemistry; acids and bases

    A common constituent of kidney stones is Ca3(PO4)2, calcium phosphate. Are kidney stones containing Ca3(PO4)2 more likely to form when the urine is acidic or when it is basic? Explain.

    asked by kris on May 23, 2010
  39. CHEM MOLES !@@!

    Mole Calculation Worksheet 1) How many moles are in 15 grams of lithium? 2) How many grams are in 2.4 moles of sulfur? 3) How many moles are in 22 grams of argon? 4) How many grams are in 88.1 moles of magnesium? 5) How many moles are in 2.3 grams of

    asked by Theresa on December 16, 2014
  40. chemistry

    Stoichiometrics: a 36 grams sample of calcium hydroxide is allowed to react with 40.5 grams of phosphoric acid according to the following reaction. 3Ca(OH)2 + 2H3PO4 = Ca3(PO4)2 + 6H2O how many grams of calcium phosphate are produced? how many moles of

    asked by kevin on December 5, 2015
  41. chemistry(Please Check)

    CaCl2(aq)+Na3PO4(aq) -----------> Ca3(PO4)2(s) +NaCl(aq)4) If the “H” for this reaction is -45.5 kJ/mol, is the reaction endo- or exothermic? Exothermic

    asked by Wurola on April 23, 2012
  42. chemistry

    3BaCl + 2Na3PO4 --> Ba3(Po4)2 +^NaCl is Ba3(PO4)2 the ppt. because Cl salts are soluble so it will dissolve?

    asked by lyne on January 21, 2009
  43. chemistry

    What is the oxidation number of PO4 in the compound Ca3(PO4)2? how do you get it?

    asked by Noel on July 21, 2010
  44. chemistry

    Calcium carbonate reacts with phosphoric acid to produce calcium phosphate, carbon dioxide, and water. 3 CaCO3(s) + 2 H3PO4(aq) Ca3(PO4)2(aq) + 3 CO2(g) + 3 H2O(l) How many grams of phosphoric acid react with excess calcium carbonate to produce 3.29 g

    asked by carson on March 31, 2010
  45. Chemistry

    Calcium carbonate reacts with phosphoric acid to produce calcium phosphate, carbon dioxide, and water. 3 CaCO3(s) + 2 H3PO4(aq) Ca3(PO4)2(aq) + 3 CO2(g) + 3 H2O(l) How many grams of phosphoric acid react with excess calcium carbonate to produce 3.47 g

    asked by Katie on January 27, 2011
  46. chemistry

    If 2.1 moles of CaCl2 are dissolved in enough water to make a 0.92-liter solution, what is the resulting molarity? 0.44 M CaCl2 0.70 M CaCl2 2.3 M CaCl2 3.0 M CaCl2

    asked by smith on November 7, 2010
  47. Physical Science

    Hello, Can some one please tell me if B is the correct answer? Thank You Which one of the following groups of chemical compounds is composed entirely of organic compounds? A. C2H4O, CH2O, CaSO4, C3H5(OH)3 B. C6H6, C2H5OH, C6H5CH3, C3H5(NO3)3 C. C2H2, CH4,

    asked by Mandi on March 6, 2008
  48. Chemistry

    3Ca(CH3COO)2(aq) + 2H3PO4(aq) ¨ Ca3(PO4)2(aq) + 6CH3COOH (aq) reduce in net ionic form... how do you know what to separate? for example, how would i know to separate Ca and PO4 or to keep it together??

    asked by Meena on November 25, 2007
  49. Chemistry

    What volume of .300 M CaCl2 is needed to react completely with 40.00 Ml of .200 M H2PO4. according to the following equation 3 CaCl2 (aq) + 2 H3PO4 (aq)-> Ca3(po44)2 + 6 HCL (aq)

    asked by Vinny on June 7, 2011
  50. Chemistry URGENT

    Could someone write out the total ionic equation and the net ionic equation for: 2Na3PO4 (aq) + 3CuSO4 • 5H2O (aq) → Cu3 (PO4)2 (s) + 3Na3SO4 (aq) + 15H2O (l) Cu++ + PO4--- >>> Cu3 (PO4)2 (s) Of course, it needs to be balanced.

    asked by Kaylee on November 26, 2006
  51. chemistry

    8.What is the mass of 4.56 moles of sulfur dioxide? 9.What is the mass of 4.56 molecules of sulfur dioxide? 10.How many formula units are in 0.456 grams of Ca3(PO4)2? 11.How many moles are in 1.5 x 10 ^23 atoms of fluorine? 12.What is the mass of 2.80 x 10

    asked by grace on February 6, 2011
  52. chemistry

    the question reads: a) balance the equation: H3PO4 + Ca(OH)2 --> Ca3(PO4)2 + H2O b)what mass of each product results if 750 mL of 6.00 M H3PO4 reacts according to the equation? i balanced it with: 2H3PO4 + 3Ca(OH)2 --> Ca3(PO4)2 + 6H2O but i'm not sure

    asked by Anonymous on February 28, 2008
  53. CHM

    Need help please Which of the following equations has the coefficients 2,1,1,2 when it is balanced? Fe2O3 + HClO4 → Fe(ClO4)3 + H2O Ca(OH)2 + H3PO4 → Ca3(PO4)2 + H2O KOH + H2SO4 → K2SO4 + H2O Ba(OH)2 + P4O10 → Ba3(PO4)2 + H2O Al2O3 + H2SeO4 →

    asked by Aliyah on October 10, 2012
  54. Chemistry HELP!!!

    Only one question, it would be greatly appreciated if you would help me Thanx In an experiment, Na2CO3(aq) was added to 25.0 mL of CaCl2(aq) solution until no more precipitate was formed. The mass of precipitate produced was 2.50 g. Some statements about

    asked by Brittany Rusk on September 28, 2006
  55. chemistry

    What is the solubility of Ca3(PO4)2 in 0.06 M of K3PO4

    asked by Roderick on April 21, 2013
  56. chemistry

    How many phosphorus atoms are in a 0.3352 g sample of Ca3(PO4)2 ?

    asked by Rog on November 25, 2007
  57. chemm

    When a reaction mixture with a total volume of 1180 mL that is 0.0110 M aqueous NaCl was stoichiometrically produced as per the balanced equation, what volume (mL) of 0.0116 M aqueous Ca2+ was required? 3 CaCl2(aq) + 2 Na3PO4(aq) → Ca3(PO4)2(s) + 6

    asked by ann on December 7, 2010
  58. chemistry

    Redox reaction in assign oxidation number is ca3(po4)2

    asked by Prajwal on June 2, 2014
  59. chemistry

    Net Ionic Reaction and molecular Equations of Ca3(PO4)2

    asked by Anonymous on April 1, 2016
  60. ipc

    How would I balance this equation Ca(C2H3O2)2+K3PO4-->Ca3(PO4)2+KC2H3O2

    asked by Lucy on February 10, 2009
  61. Chemistry

    If you have 225 grams of Ca3(PO4)2, and 185g H3PO4; calculate which is the limiting reagent, which the XS reagent, and how much product you will produce from the limiting reagent (in grams) Ca(PO4)2 + 4H3PO4 = 3Ca(H2PO4)2

    asked by Emily on April 7, 2015
  62. Chemistry

    What is the percentage of mass of A. Phosphorus in Ca3(PO4)2 B. Nitrogen in (NH4)3PO4?

    asked by Samba mambo on November 4, 2019
  63. Chem

    Consider the balanced chemical equation: 3Sr(OH)2(aq) + 2H3PO4(aq) → Sr3(PO4)2(s) + 6H2O(l). How many moles of Sr(OH)2 remain if 0.10 mol of H3PO4 react with 0.40 mol of Sr(OH)2?

    asked by Mike on August 20, 2011
  64. Chemistry

    How many grams of Ca3(PO4)2 can be formed from 206 g of calcium nitrate and 140 g of phosphoric acid?

    asked by Lee on February 8, 2013
  65. Chemistry

    What mass of calcium phosphate form by the reaction of 50 mL of 0.2 M H3PO4 with 80 mL of 0.1 M Ca(OH)2? 2 H2PO4 + 3 Ca(OH)2 --> Ca3(PO4)2 + 6 H20

    asked by S.P on July 20, 2012
  66. Chemistry

    A 0.879 g sample of a CaCl2 ∙ 2 H2O / K2C2O4 ∙ H2O solid salt mixture is dissolved in 150 mL of deionized water. A precipitate forms which is then filtered and dried. The mass of this precipitate is 0.284 g. The limiting reagent in the salt mixture was

    asked by Destiny on March 7, 2019
  67. Chem

    A mixture is prepared by adding 28.6 mL of 0.169 M Na3PO4 to 39.7 mL of 0.255 M Ca(NO3)2. What mass of Ca3(PO4)2 will be formed?

    asked by joshua on July 1, 2014
  68. Chemistry

    I am having some difficulties balancing the following equations: Cr2O3(s)+CO(g)->Cr(s)+CO2 Ca(OH)2(aq)+Na3PO4(aq)->Ca3(PO4)2(s)+NaOH(aq) Sb2S3(s)+O2(g)->Sb2O3(s)+SO2(g)

    asked by TMV on November 13, 2010
  69. Chemistry

    Calculate the boiling tempature for a solution which contains 0.325 mol of calcium phosphate (Ca3(PO4)2) dissolved into 240.0 g of water.

    asked by Hailey on March 23, 2011
  70. CHEMISTRY

    Which of the fallowing compounds may be Arrhenius acids: CH4, SO2, H2S, Ca3(PO4)2 Can you please explain how you got the answer because I don't understand how you can tell.

    asked by Sean on March 14, 2010
  71. CHEMISTRY

    Which of the fallowing compounds may be Arrhenius acids: CH4, SO2, H2S, Ca3(PO4)2 Can you please explain how you got the answer because I don't understand how you can tell.

    asked by Sean on March 14, 2010
  72. cheMistry

    a) Silver iodide(s) is formed by the following reaction: Ag (aq) + I (aq) --> AgI (s) The Ksp for AgI = 1.8 x 10^-10 Describe, using the chemical reaction, the mathematical formula for these ions. Assuming these ion concentrations are equal, what would the

    asked by hank on November 1, 2015
  73. chem

    a) Silver iodide(s) is formed by the following reaction: Ag (aq) + I (aq) --> AgI (s) The Ksp for AgI = 1.8 x 10^-10 Describe, using the chemical reaction, the mathematical formula for these ions. Assuming these ion concentrations are equal, what would the

    asked by hank on November 2, 2015
  74. Chemistry

    How mush CaCl2, in grams, is needed to make 2.0 L of a 3.5M solution? g CaCl2 = (2.0L) *( 3.5 mol Cl-/1L) * (1mol CaCl2/ 2mol Cl-) *( 110.98 g CaCl2/ 1 mol CaCl2) = 5.549 g CaCl2 i don't think i did any of this right

    asked by Sydney on June 23, 2015
  75. chemistry

    When the following equation is balanced the coefficient of CaO is ... CaO + P4O10 > Ca3(PO4)2

    asked by . on March 10, 2011
  76. chem

    Consider the following neutralisation reaction: 2 H3PO4(aq) + 3 Ca(OH)2 (aq) → Ca3(PO4)2 + 6 H2O Determine the volume of 0.75 M H3PO4 necessary to neutralise 35 ml of 0.45 M Ca(OH)2

    asked by vicky on February 8, 2014
  77. Chem

    How many moles of each ion are present, per liter, in a solution that is labeled “0.221 M CaCl2 ”? CaCl2  Ca +2 + 2 Cl-

    asked by Jerry on June 4, 2019
  78. Chemistry

    This is a mulit step problem How many grams of barium phosphate are produced from the reaction of 3.50g of sodium phosphate and 6.4g of barium nitrate? The other product is sodium nitrate. 1. Write the balanced equation for the reaction 2. How many grams

    asked by Tracey on October 5, 2006
  79. Science

    a sample of Ca3(PO4)2 contains 3.1g phosphorus then the weight of Ca in the sample is ?

    asked by Husen on July 13, 2011
  80. Science

    Which conversion factor should be used to solve the following problem? How many moles of water (H2O) would be produced from the reaction of 3.25 moles of hydrochloric acid (HCl) reacting with excess calcium hydroxide Ca(OH)2? Ca(OH)2 +2HCl --> CaCl2 + 2H2O

    asked by Help on February 26, 2020
  81. Chemistry

    How many moles of CaCl2 are in 32cm cube of 0.2M solution of CaCl2?

    asked by desperate on October 4, 2012
  82. Science

    Which conversion factor should be used to solve the following problem? How many moles of water (H2O) would be produced from the reaction of 3.25 moles of hydrochloric acid (HCl) reacting with excess calcium hydroxide Ca(OH)2? Ca(OH)2 +2HCl --> CaCl2 + 2H2O

    asked by Help on February 26, 2020
  83. CHEMISTRY

    WHAT IS THE NAME OF THIS COMPOUND? 1. K2SO4? 2. Ca3(PO4)2 3. LiI 4. KMnO4 5. NaNO2 6. SnCl2 7. Fe(OH)3 8. NaClO 9. BaSO3 10. Pb(NO3)2 11. Hg2Cl2 12. (NH4)2CO3 13. MgO 14. CuBr 15. Fe2s3 pls do help me.. tnx:)

    asked by KRISTINE on July 15, 2012
  84. Chemistry

    A 0.75 g sample of X2CO3 is dissolved in water and 80 mL of 0.20 M CaCl2 solution is added. This is the balanced equation I have created. X2CO3(aq) + CaCl2(aq) → CaCO3(s) + 2 XCl(aq) Based on the ratio in your balanced equation, how many moles of X2CO3

    asked by Kelly on March 20, 2017
  85. Chemistry

    a) how many moles of atoms are in 1 mole of Ca3(PO3)2 b)If I have 1 mole of Ca3(PO3)2, how many moles of PO3^3- ions do I have? c)How many individual PO3^3- ions do I have?

    asked by Kiana on March 22, 2016
  86. chemistry

    2Na3PO4(aq)+3 Ba(NO3)2(aq)---->Ba3(PO4)2(s)+6NaNO3(aq) a solution containing 3.50g of Na3PO4 is mixed with a solution containing 6.40g of Ba(NO3)2 how many grams of product can be formed? and if the above reaction resulted in 3.659 g of white powder, what

    asked by mckayla on November 17, 2011
  87. chemistry

    calculate how many moles of CaCl2•2H2O are present in 1.0 g of CaCl2•2H2O and then calculate how many moles of pure CaCl2 are present in the 1.0 g of CaCl2•2H2O

    asked by she on March 18, 2015
  88. Chemistry

    what is the solubility in mol/L of insoluble Ca3(PO4)2 (Ksp=1.00x10^-26)in a solution containing .00100 M Na3PO4? a. 2.15x10^-7 b. 7.18x10^-8 c. 7.18x10^-9 d. 1.00x10^-23 e. answer not given

    asked by alex on March 20, 2012
  89. GEN CHEM

    A solution of CaCl2 is prepared by dissolving 1.004 g of the solid in approximately 30 mL of water. How many moles of CaCl2 does this solution contain?

    asked by KRIS on March 3, 2013
  90. chemistry

    A solution of CaCl2 is prepared by dissolving 1.004 g of the solid in approximately 30 mL of water. How many moles of CaCl2 does this solution contain?

    asked by malika on June 11, 2017
  91. Chemistry

    How many moles of CaCl2 are in 250mL of a 3.0M of CaCl2? Ca=40.08 -- Cl=35.45 X 2 ?? Thanks

    asked by Emily on October 14, 2011
  92. chemistry

    50.0ml of an aqueous solution of 2.50M H3PO4 are mixed with 75.0 ml of an aqueous solution of 4.00 M Ca(OH)2. The resulting precipitate is washed and isolated using filtration. What mass of Ca3(PO4)2 is obtained?

    asked by tricia on February 9, 2014
  93. chemistry

    Calculate the solubility of Cacl2 in g/L based on the experiement. Given 650g of CaCl2 added to 1.0L and allowed to dissolve as much as possible. While the remaining solid CaCl2 is filtered out of the solution and found to have a mass of 5.509g. What is

    asked by Greg on June 6, 2012
  94. chemistry

    What is the mass of 0.425 moles of CaCl2? The molar mass of CaCl2 is 110.98 g/mol.

    asked by Jessica on February 19, 2010
  95. chemistry

    C6H12O6(s) +6CO2(g) +6H2O9g) 1) given 2 moles of glucose and 14 moles of O2, how many moles of CO2 could be produced? 2) which is the limiting reactant ? 3) how many moles of the excess reactant remain?

    asked by Mickey on May 23, 2010
  96. Chemistry

    Calculate the molar solubility of calcium phosphate [Ca3(PO4)2 in a solution which is 0.10M in sodium phosphate (Na3PO4). Ksp for calcium phosphate is 1.1x10^-26

    asked by Peopsh8 on November 20, 2019
  97. AP Chem

    Consider the following unbalanced equation: Ca3(Po4)2+H2SO-->CaSO4+H3PO What masses of calcium sulfate and phosphoric acid can be produced from the reaction of 1.0 kg calcium phosphate with 1.0 kg concentrated sulfuric acid (98% H2SO4 by mass)? I'm so

    asked by Robyn on November 4, 2008
  98. Chemistry

    a 6.0 mole sample of Ca3(PO4)2 and a 12.0 mole sample of SiO2 react in an evacuated vessel. after one of the reactants is fully consumed, how much of the gas is created? How exactly would you solve this problem? Would you have to find the molar mass of

    asked by Allison on November 18, 2015
  99. Chem

    in the reaction NO3+CaCl2=2AgCl+Ca(NO3)2, how many grams of excess will remain when 20 grams of AgNO3 are reacted with 15 grams of CaCl2

    asked by Dean on February 25, 2013
  100. c

    mixture is prepared by adding 27.0 mL of 0.169 M Na3PO4 to 35.1 mL of 0.234 M Ca(NO3)2. (a) What mass of Ca3(PO4)2 will be formed? (b)What will be the concentrations of each of the ions in the mixture after reaction? Put your answers with 3 significant

    asked by walter on June 13, 2015