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How many mL of .210 M HCl are needed to react completely with 35.0 mL of 0.101M Ba(OH)2

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chemistry
How many mL of 0.750 M HCl are needed to neutralize 14.89 mL of 0.350 M NaOH? ____ mL

chemistry
what volume of HCl gas is needed to neutralise 50 ml of 0.1M NaOH at stp?

chemistry
Home many drops of 0.1M HCl is needed to neutralize 10mL of 1M NaOH?

chemistry
How many mL of 0.100M HCl are needed to neutralize 49.0mL of 0.104M Ba(OH)2 solution?

chemistry
how many milliliters of10.0m Hc(aq) are needed to prepare 890.0 ml of 1.00m Hcl(aq)

Chemistry
How much concentrated 12 M HCl is needed to prepare 200 ml of a 2.5 M solution?

integrated math
Suppose a laboratory has a 26 g sample of polonium-210. The half-life of polonium-210 is about 138 days.?

Math
How many .5 cm x.5 cm x .5 cm cubes are needed to completely fill a rectangular prism measuring 4 cm x 4 cm x 4 cm?

Math
How many .5 cm x.5 cm x .5 cm cubes are needed to completely fill a rectangular prism measuring 4 cm x 3 cm x 3 cm?

science
Hey, holidays is over. Time to get back to work. whats the answer to this one find the concentration of hcl in g hcl/kg Naoh + Hcl---> b +c 2.991 mol 25.00mL Density=0.952g/ml also Hcl=36.46g/mol I got approx 4.58 x 10^3 g/mol of the top of my head

Chemistry
50mL of 0.1M HCl is mixed with 50mL of 0.1NaOH. delta T = 3^oC. Calculate the enthalpy of neutralization per mole of HCl. assume the specific heat capcity of the solution is 4.18J/g/C and density=1.0g/mL. I tried it but got the wrong answer. What I did was I calculated the ...

chemistry
If 45 mL of .25 M HCl is required to completely neutralize 25.o mL of NH3, what is the concentration of the NH3 solution?

Chemistry multiple choice
During today’s experiment we will produce hydrogen gas (H2) using zinc metal (Zn(s)) and hydrochloric acid (HCl). Which is a balanced net ionic equation illustrating this process? A. Zn (s) + 2 HCl (aq) --> Zn2+ (aq) + H2 (g) + 2 Cl- (aq) B. Zn (s) + 2 H+ (aq) --> Zn2...

chemistry
"Stomach acid" is hydrochloric acid. A sample of gastric juice having a volume of 6.68 mL required 13.90 mL of 0.0161 M KOH solution for neutralization in a titration. What was the molar concentration of HCl in this fluid? C(HCl) = If we assume a density of 1.00 g mL-1 for the...

Chemistry
What gas is produced by the reaction of magnesium and HCl as evidenced by the "poof" test? acids react with active metals to yield hydrogen gas and a salt.

chemistry
If you are given a .26g piece of sodium metal to react compltetely with water, how many moles of HCl would it take to neutralize the sodium hydroxide produced?

Chemistry
Consider the following reaction: PCl3 + 3H2O -----> P(OH) + 3HCl if 4.00L of PCl3 react with an excess of H2O at STP, how many grams of HCl would be formed?

chemistry
an auto mechanic spills 85 mL of 2.4 M H2SO4 solution from a rebuilt auto battery. how many mL of 1.2 M NaHCO3 must be poured on the spill to react completely with the sulfuric acid?

chemistry
Consider the reaction of 14.20ml of 0.141 M H3PO4 and 0.0521 M Ba(OH)2. 2H3PO4 + 3Ba(OH)2 ->Ba3(PO4)2 + 6HOH What volume of Ba(OH)2 is required to completely react with the H3PO4?

chemistry
Consider the reaction of 14.20ml of 0.141 M H3PO4 and 0.0521 M Ba(OH)2. 2H3PO4 + 3Ba(OH)2 ->Ba3(PO4)2 + 6HOH What volume of Ba(OH)2 is required to completely react with the H3PO4?

Chemistry
For each of the following precipitation reactions calculate how many grams of the first reactant are necessary to completely react with 55.8 g of the second reactant. K2SO4 + Sr(NO3)2 + SrSO4 + 2KNO3

chemistry
if 22.5 mL of 0.383 M HCl are required to completely neutralize 20.0 mL of KOH, what is the molarity of the KOH solution?

advanced math
If 0°<= 360°, solve the equation, sec x=-2 a. 150° and 210 ° b. 210° and 330° c. 120° and 240° d. 240° and 300° I believe it is C. am i right?

chemistry
Concentrated HCL acid is 38% by weight of HCL and has a density of 1.19 g/ml. What is the morality of HCL?

chemistry
what volumes of 6M hcl and 2M hcl should be mixed to get two litres of 3M hcl

Chemistry
Mg + HCl -------> MgCl2 + H2 What volume of HCl is required from 27 % HCl to form 12.1 gram H2? ( D = 1.41 g/ml)

Chemistry
WOULD THE VOLUME OF A 0.10M NAOH SOLUTION NEEDED TO TITRATE25.0ML OF A 0.10M HNO2 ( A WEAK ACID)SOLUTION BE DIFFERENT FROMTHAT NEEDED TO TITRATE 25.0ML OF A 0.10M HCL (A STRONGACID)SOLUTION?

CHEMISTRRY
What is the molarity of an HCl solution if 49.0 mL is completely titrated by 68.4 mL of an NaOh solution whose concentration is 0.333 M?

chemistry
Based on the balanced equation 2Al + 6HCl → 2AlCl3 + 3H2 calculate the number of excess reagent units remaining when 140 Al atoms and 402 HCl molecules react?

chemistry
what is a titration, what is the type of reaction to find the volume of hydrochloric acid needed to react with 25 of potassium hydroxide solution

CHEMISTRY HELP
assume that 13.5g of AL react with excess HCl according to the following balanced equation, at STP: 2Al(s) + 6HCl(aq) ---> 2AlCl3 + 3H2(g) how mang liters of H2 at STP are produced?

Chemistry
How many milliliters of 6.0 M HCl would be needed if 3.000 g of K2CO3 were used in an experiment?

Chemistry
How much 0.5 M HCl is needed to neutralize 5.5 kg of ammonia dissolved in 6 gal of water?

Chemistry
A 55.0-mg sample of Al(OH)3 is reacted with 0.200M HCl. How many milliters of the acid are needed to neutralize the Al(OH)3.

chemistry
Calculate the grams of solute needed to prepare each of the following. 55.0 ml of a 6.50 hcl solution.

chemistry
how much of 0.1 M NaOH is needed to neutralize 5mL of 0.1 M of HCL to a ph 7(color on the ph scale)...Thank you

Chemistry
What volume of 1.00M ca(oh)2 is needed to neutralize 250.0mL of 0.100M HCL?

Chemistry
what volume of 1.00M ca(oh)2 is needed to neutralize 250.0mL of 0.100M HCL?

Chemistry
How many milliliters of a .5M HNO3 (aq) is needed to completely neutralize 100mL of a 0.10M KOH (aq)?

chemistry
how many milliliter of .750M sulfuric acid are needed to neutralize completely 20 g of NaOH?

science
how many milliliters of .2 M sodium hydroxide are needed to completely neutralize 25.0g of sulfuric acid

chemistry
How much energy is needed to completely remove an electron from n = 2 in a hydrogen atom?

chemistry
how many joules are needed to completely melt 25 grams of ice at 0 degree celcius?

Chemistry
Help with any of these:    21. Aluminium sulphate is often used by gardeners to acidify soil and can be produced by the reaction 2Al(OH)3(aq) + 3 H2SO4(aq) à Al2(SO4)3(aq)  + 6 H2O(l) The volume of 0.275 mol/L H2SO4(aq) needed to react completely with 112 mL of 0.355 mol/l...

Chemistry
If there are 25 mg of water in a typical drop of water, how many drops of water would react completely with 2 mmol of phenylmagnesium bromide? How do I set up the problem?

Science math
Suppose a laboratory has a 38 g sample of polonium-210. The half-life of polonium-210 is about 138 days. How many half-lives of polonium-210 occur in 1104 days? How much polonium is in the sample 1104 days later?

College Chemistry
Given 20 mL NaOH; 0.1 M, add 0.05 M HCl, 10 mL at a time. What is the pH initially of NaOH? What is the pH after adding 10 mL 0.05 M HCl? What is the pH after adding 20 mL 0.05 M HCl? What is the pH after adding 30 mL 0.05 M HCl? What is the pH after adding 40 mL 0.05 M HCl? ...

chemistry
I need help. please show step by step? How many milliliters of 1.0 M NaOH would be required to completely neutralize 40.0 mL of 0.60 M HCl?

Chemistry
What volume of 6M HCl and 2M HCl should be mixed to get 2 litres of 3M HCl?

chemistry
Find the mass of AlCl3 that is produced when 10.0 grams of Al2O3 react with 25.0 g of HCl according to the following equation. Al2O3(s) + 6HCl(aq) → 2AlCl3(aq) + 3H2O(aq) 65.4 g help me ASAP.PLIS..

Chemistry
what volume of ammonia gas will be produced when 8.01 L of hydrogen react completely in the following equation. N2 + 3H2 > 2NH3 this stuff is so confusing because one little word seems to change the entire process for solving.

Chemistry
Oxygen gas reacts with powdered aluminum according to the following reaction: 4Al(s)+3 O2(g) --> 2 Al2O3 (s) How many liters of O2 gas, measured at 789 mm Hg and 35 C, are required to completely react with 2.2 mol of Al?

Chemistry
Consider the following reaction. 4 Al(s) + 3 O2(g) → 2 Al2O3(s) It takes 1.00 L pure oxygen gas at STP to react completely with a certain sample of aluminum. What is the mass of aluminum reacted?

College Chemistry
What volume of the solution in 5a would be necessary to react completely with 23.00mL of 0.549M NH3 according to the equation: NiSO4+6NH3 -> [Ni(NH3)6]SO4 The molarity of ta is 1.667 x 10^-4M

Chemistry
Zinc metal reacts with hydrochloric acid according to the following equation: Zn + 2HCl yields ZnCl2 + H2. How many grams of hydrogen gas can be obtained if 50.0 g of zinc react completely?

Chemistry
When a student doesn't polish a sample of Mg ribbon before massing it, what happens when calculating the molar volume? Is it that the Mg ribbon doesn't completely react therefore less volumes of gas are produced?

math
the dimensions of Gina's dining room table are represented by (3x-7) and (30-x). Find the perimeter 0f the table in terms of x. I did (3x-7)(-x+30) -3x^2+90x+7x-210 -3x^2+97x-210 Is this correct? Thanks for checking my work, I appreciate it

chem
Consider the reaction 4KO2(s) + 2CO2(g) ! 2K2CO3(s) + 3O2(g) . How much KO2 is needed to react with 75.0 L of carbon dioxide at STP?

Chemistry
How much Na is needed to react with H2O to liberate 179 mL H2 gas at STP? Answer in units of g Please help me with what formulas to use and what to do.

Government secondry school gwagwalada
Consider the equation N2(g)+3NH2(g)---2NH3.what is the needed volume of nitrogen to react with 15cm3 of hydrogen?

Chem
how many millimeters of 0.200M FeCL3 are needed to react with an excess of Na2S to produce 1.38g of Fe2S3 if the percent yield for the reaction is 65.0%

science
Suppose a laboratory has a 31 g sample of polonium-210. The half-life of polonium-210 is about 138 days. How many half-lives of polonium-210 occur in 966 days? How much polonium is in the sample 966 days later?

sciencemath
Suppose a laboratory has a 31 g sample of polonium-210. The half-life of polonium-210 is about 138 days. How many half-lives of polonium-210 occur in 966 days? How much polonium is in the sample 966 days later?

Chem 110
Calculate amount of milliliters of 2.0 M HCl needed to neutralize 0.15 mol of NaOH

Chemistry
Calculate the mass of sodium bicarbonate needed to neutralize 3.0 mL of 3.0 M HCl. Show your work.

Chemistry
Calculate the mass of sodium bicarbonate needed to neutralize 3.0 mL of 3.0 M HCl. Show your work.

intro chem
how much HCl is needed to dissolve a 2.5grams iron bar on a padlock

chemistry
How much HCl 9in grams) is needed to prepare 546 mL of solution with a pOH of 10.00 at 25?

Chemistry 121
How much oxygen would be needed to completely burn 250g of propane?

statistics
if a test has a mean of 150 and a standard deviation of 30, we know that: a)50% of the respondents scored between 180 and 210 b)68% of the responents scored above 120 c)50% of the respondents scored between 120 and 210 d) 96% of the respondents scored between 90 and 210

College Chemistry
2.50 mL of ethyl acetate and 2.50 mL of distilled water are added to the 5.00 mL of 3 Molar HCl and the mixture is allowed to sit for a week. At the end of this time, 28.30 mL of 1.000 Molar NaOH was needed to titrate the solution. (The HCl was the same as used in 1a. This ...

chemistry
When hydrochloric acid reacts with magnesium metal, hydrogen gas and aqueous magnesium chloride are produced. What volume of 4.8 M is required to react completely with 2.60 g of magnesium?

Chemistry
Prepare a 0.0200 mM dye solution at low pH by dilution 0.40 ml of the stock 0.100 mM chemical X into the appropriate volume of 2.5 M HCl. What is the amount of HCL required for dilution, the final concentration of HCl in the solution, and the pH? I know there's the MV = MV, ...

math
Ihave to evalaute expressions can someone tell me which whay is the correct way. 15+ 20 ÷ 5 Is 15 + 4= 19 or 5 ÷ 5=9 210-5 x 30 Is it 210-150=60 or 205 x30=61590 Have you heard of BEDMAS? it shows the correct order of operation in arithmetic B-brackets first E-exponents D M...

Chemistry
Determine how many grams of active antacid ingredient AL(OH)3 would be necessary to neutralize the HCL in 50.0 mL of .0100 M HCL (an approximation of the conc. of HCL in the stomach) 3HCL9aq)+AL(OH)3(s)-> AlCL3 (aq) = 3H2O (L)

chemistry
Consider the following reaction 4Al + 3O2 = 2Al2O3 It takes 2.00 L pure oxygen gas at STP (0C ,1atm ) to react completely with a certain aluminum. What is the mass of aluminum reacted?

Chemistry
Exhibit 8-1 For the following questions, consider the equation below. Zinc will react with a solution of hydrochloric acid to produce hydrogen gas: Zn(s) + 2 HCl(aq) ® ZnCl2(s) + H2(g) Refer to Exhibit 8-1. How many moles of hydrochloric acid react with one mole of zinc? 1. ...

Chemistry
Dear Sir DrBob22 Thank you for your response we have an oil well. the well column has been completed (filled up) with completion fluid of gasoline. we want to stimulate the well by 28% HCL. if 28% HCL is to be injected into the the well column, whether a chemical reaction will...

AP Chemistry
When hydrochloric acid reacts with magnesium metal, hydrogen gas and aqueous magnesium chloride are produced. What volume of 5.0 M HCI is required to react completely with 3.00 g of magnesium?

high school chem 1
Equation: 4NH3(g) + 5O2(g) -> 4NO(g) + 6H2O(g) question: What volume of NH3 is needed to react with 71.6 liters of oxygen?

Chemistry
Using the equation 4Fe + 3O2 -> 2Fe2O3, calculae the total mass of oxgen needed to react wih all of 0.55 g of iron.

Organic Chemistry
Assume 1 g of the 3 g is aspirin. Show by calculation that 7 mL of 6 M HCl is enough to completely neutralize the conjugate base of aspirin to the neutral compound.

Math
How many grams of Ag2S react to form 174 g of AgCl? see below: Ag2S + 2 HCl ==> 2 AgCl + H2S

Chemistry
Answer the following questions about the characteristics of the elements in Group 2 (the alkaline earths). How do they react with iodine? How do they react with water? How do they react with oxygen? Which reacts the most vigorously? Which element in the group is the most ...

Chemistry
Answer the following questions about the characteristics of the elements in Group 2 (the alkaline earths). How do they react with iodine? How do they react with water? How do they react with oxygen? Which reacts the most vigorously? Which element in the group is the most ...

Chemistry
3 Cl2 + 6 KOH go to KClO3 + 5 KCl + 3 H2O how many moles of KClO3 form when 2 grams of KOH react completely

Chemistry
its takes 145 mL of zinc nitrate to react completely with 175 ml of 1.5 M potassium hydroxide. what is the concentration if zinc nitrate?

chemistry
When magnesium metal and an aqueous solution of hydrochloric acid combine, they produce an aqueous solution of magnesium chloride and hydrogen gas. Using the equation, Mg (s) + 2HCl (aq) Imported Asset MgCl2 (aq) + H2 (g), if 72.9 g of Mg and 146.0 g of HCl are allowed to ...

chemistry
When magnesium metal and an aqueous solution of hydrochloric acid combine, they produce an aqueous solution of magnesium chloride and hydrogen gas. Using the equation, Mg (s) + 2HCl (aq) Imported Asset MgCl2 (aq) + H2 (g), if 72.9 g of Mg and 146.0 g of HCl are allowed to ...

Chemistry - DrBob222
Alright, I've made a list of reactions that would produce precipatations. NaCl + Zn CaCl2 + NaOH CaCl2 + Zn CaCl2 + Na2SO4 CuSO4 + NaOH CuSO4 + Zn NaOH + AgNO3 NaOH + Zn BaOH2 + AgNO3 BaOH2 + Zn BaOH2 + Na2SO4 So this way I can figure if it is NaCl, CaCl2, CuSO4, NaOH,Ba(OH)2...

Chem
Given the following reaction: 4 KO2 + 2 H2O + 4 CO2 ==> 4 KHCO3 + 3 O2 How many moles of O2 will be produced if 3.27 moles of CO2 react completely?

Chem
Given the reaction: Fe2SiO4 (s) + 2 H2CO3 (aq) ----> 2FeCO3 (s) + H4SiO4 (aq). How many grams of Fe2SiO4 are required to completely react with 55.0 mL of .500 M H2CO3 (aq)?

Chemistry
Given the reaction: Fe2SiO4 (s) + 2 H2CO3 (aq) ----> 2FeCO3 (s) + H4SiO4 (aq). How many grams of Fe2SiO4 are required to completely react with 55.0 mL of .500 M H2CO3 (aq)?

Chemistry
Given the reaction: Fe2SiO4 (s) + 2 H2CO3 (aq) ---> 2 FeCO3 (s) + H4SiO4 (aq) how many grams of Fe2SiO4 (s) are required to completely react with 55.0 mL of .500 M H2CO3 (aq) ?

chemistry
calculate the volume of 3M HCl needed to change the pH of 50 mL of the undiluted buffer solution by one pH unit?

Chemistry
How many liters of HCl acid needed to dissolve at 1 ton of carbon and how long would it take?

physical science
4.8g of magnesium react was completely burned in oxygen and magnesiumoxide was produced. what is the mass of magnesium produced?

science
How much latent heat is needed to completely melt 368 gram ice cube?

Chemistry
Consider the following chemical equation. MnCl2(s) + H2SO4(aq) → MnSO4(aq) + 2 HCl(g) How many grams of manganese(II) chloride must react with sulfuric acid to release 50.0 mL of hydrogen chloride at STP?

chemistry
3 Cl2 + 6 KOH go toKClO3 + 5 KCl + 3 H2O How many moles of potassium chlorate form when 2 moles of potassium hydroxide react completely?

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