# Chemistry

How many grams of a stock solution that is 87.0 percent H2SO4 by mass would be needed to make 200 grams of a 35.5 percent by mass solution? Show all of the work needed to solve this problem.

1. 👍 0
2. 👎 0
3. 👁 244
1. Initial mass of H2SO4 = final mass of H2SO4 in solution

Initial mass is (87.0%) of target solution (X).
Final mass is (35.5%) of the initial solution (200g).

X = 200g * 35.5/87.0

1. 👍 0
2. 👎 0
posted by Graham

## Similar Questions

1. ### Chemistry 1

How many grams of a stock solution that is 92.5 percent H2SO4 by mass would be needed to make 250 grams of a 35.0 percent by mass solution? Can you please teach me how to do this? I get the other stoichiometry stuff, but this one

asked by Brittany on February 1, 2011
2. ### Chemistry

Please help me with these! Thanks :) Describe, in detail, how to make 5.5 liters of a 2.5 molar HCl solution from a 10.5 molar HCl stock solution. How many grams of a stock solution that is 85.5 percent H2SO4 by mass would be

asked by Amanda on February 27, 2011
3. ### chem

How many grams of a stock solution that is 87.0 percent H2SO4 by mass would be needed to make 200 grams of a 35.5 percent by mass solution? Show all of the work needed to solve this problem

asked by bryan on January 17, 2012
4. ### Chemistry

How many grams of a stock solution that is 85.5 percent H2SO4 by mass would be needed to make 150 grams of a 45.0 percent by mass solution? Show all of the work needed to solve this problem.

asked by DAyanne on April 29, 2016
5. ### chemistry honors

how many grams of a stock solution that is 85% H2SO4 by mass would be needed to make 150 grams of a 45.0 percent solution?

asked by jimmy on September 30, 2010
6. ### chemistry

this is a really long question. i don't understand how to answer it. help please. A 10.0% aquueous solution of sulfuric acid has a density of 1.0661 g/mL at 20 degrees celsius. A. how many grams of H2SO4 are found in 50.0 g of

asked by Nicole on April 7, 2013
7. ### science

Concentrated sulfuric acid (18.4 molar H2SO4) has a density of 1.84 grams per milliliter. After dilution with water to 5.20 molar, the solution has a density of 1.38 grams per milliliter and can be used as an electrolyte in lead

asked by raksha on October 24, 2007
8. ### Chem

A 10.0% by mass H2SO4(aq) solution has a density of 1.07 g·cm-3. How many milliliters of solution contain 8.34 g of H2SO4? What mass (in grams) of H2SO4 is in 248 mL of solution? It's been a while since I have had a chem

asked by Cairy on February 15, 2010
9. ### high school chem

How many grams of a stock solution that is 92.5 percent h2s04 by mass would be needed to make 250 grams of a 35% by mass solution?

asked by Kayla on March 9, 2011
10. ### P Chem

A 10.0% by mass H2SO4(aq) solution has a density of 1.07 g/mL. (a) How many milliliters of solution contain 8.41 g of H2SO4? (b) What is the molality of H2SO4 in solution? (c) What mass (in grams) of H2SO4 is in 258 mL of

asked by Jenny Marie on May 24, 2010

More Similar Questions