# chem 1151

a 250.0 mL of solution contains 50.0 mL acetone and 45.0 mL ethyl alcohol and the remainder water. Calculate the % acetone,
% ethyl alcohol, and water in the solution. Show calculations.

1. 👍 0
2. 👎 0
3. 👁 262
1. 20.0% acetone
18.0% Ethyl Alcohol
62.0% water

You take the mL you're trying to find divided by the whole solution, then multiply by 100.

For example, you have 50.0mL/250.0mL = 0.20
Take 0.20 x 100 and it will give you the percent.

1. 👍 0
2. 👎 0

## Similar Questions

1. ### Chemistry

For a special dinner, you are gonna make a soup composed basically by 1350 cm^3 of water, with the addition of 240 cm^3 of whisky (ethyl alcohol content 50% + 50% water) when it's starts to cooking . However, one of the relatives

asked by Nika on July 31, 2020
2. ### chemistry

The Vapor pressures of pure propyl alcohol and isopropyl alcohol are 21.0 mmHg and 45.2 mmHg, respectively, at 25 (degrees)C. Calculate the partial pressure of isopropyl alcohol above a solution in which the mole fraction of

asked by jimbo on June 27, 2010
3. ### chemistry

Finding molarity and molality(best answer)? An aqueous solution is prepared by diluting 3.30 mL acetone,(d= 0.789g/mL) with water to a final volume of 75.0 mL. The density of the solution is 0.993 g/mL. What is the molarity,

asked by sam on October 7, 2011
4. ### Chemistry

A solution is made by adding 0.100 mole of ethyl ether to 0.500 mole of ethyl alcohol. If the vapor pressures of ethyl ether and ethyl alcohol at 20 oC are 375 torr and 20.0 torr, respectively, the vapor pressure of the solution

asked by Chris on November 14, 2013
5. ### Chemistry

Please help! The vapor pressure of water at 35 oC is 42.175 mm Hg. The vapor pressure of ethyl alcohol (C2H5OH) at 35 C is 100.5 mm Hg. What is the vapor pressure of a solution prepared by dissolving 250 g of C2H5OH in 375 g of

asked by Ella on April 1, 2020
1. ### Chemistry

The vapor pressure of pure acetone (propanone) is 266 torr. When a non-volatile solute is added, the vapor pressure of acetone above the solution falls to 232 torr. What is the mole fraction of acetone in the solution? Show work.

asked by Dee on February 27, 2013
2. ### chemistry

Calculate the molarity and mole fraction of acetone in a 1.29 m solution of acetone (CH3COCH3) in ethanol (C2H5OH). (Density of acetone = 0.788 g/cm3; density of ethanol = 0.789 g/cm3.) Assume that the volumes of acetone and

asked by sarah on January 20, 2011
3. ### Chemistry

A solution contains 3.75g of nonvolatile pure hydrocarbon in 95g acetone. The boiling points of pure acetone and the solution are 55.95C and 56.50C, respectively. The molal boiling point constant of acetone is 1.71 C*kg/mol. What

asked by James on February 10, 2011
4. ### Chemistry

I was just wanting to make sure I did these right. How many grams of solute are in each of the following solutions? a.) 2.5 L of 3.0 M Al(NO3)3 solution. for this one I get 1600 g of Al(NO3)3 b.) 75 ml of 0.5 M C6H12O6 solution.

asked by Carrie on November 29, 2010
5. ### Math

1. In the lab, Deon has two solutions that contain alcohol and is mixing them with each other. Solution A is 40% alcohol and Solution B is 12% alcohol. He uses 1000 milliliters of Solution A. How many milliliters of Solution B

asked by Amy on May 2, 2014
6. ### chem

An 80 proof brandy is 40.0% (v/v) ethyl alcohol. The "proof" is twice the percent concentration of alcohol in the beverage.How many milliliters of alcohol are present in 700mL of brandy?

asked by tracy on November 8, 2012