# math who helps me step by step

A mixture of pure k2cr207 and pure kmn04 weighing 0.561g was treated with excess of ki in acidic medium. Iodine liberated required 100ml of 0.15M of sodium thiosulphate solution for exact oxidation. The right answer 43.67 k2cr207 and 56.33 kmn04

My calculation
0.1L x 0.15M = 0.015
x/294g/mol k2cr207 + y/158g/mol kmn04 (0.561g-x)= 0.015

1. 👍 0
2. 👎 0
3. 👁 104

1. 👍 0
2. 👎 0
posted by Damon

## Similar Questions

1. ### math who helps me step by step

A mixture of pure k2cr207 and pure kmn04 weighing 0.561g was treated with excess of ki in acidic medium. iodine liberated required 100ml of 0.15M of sodium thiosulphate solution for exact oxidation. The right answer k2cr207 43.67%

asked by Fai on January 1, 2014
2. ### math (Damon) check step by step for me

A mixture of pure k2cr207 and pure kmno4 weighing 0.561g was treated with excess of ki. In acidic medium. Iodine liberated required 100ml of 0.15M of sodium thiosulphate solution for exact oxidation. The right answer 43.67 k2cr207

asked by Fai on January 2, 2014
3. ### college algebra word problem

A goldsmith has two alloys that are different purities of gold. The first is 3/4 pure and the second is 5/12 pure. How many ounces of each should be melted and mixed in order to obtain a 6 oz mixture that is 2/3 pure gold?

asked by megan on February 25, 2009
4. ### chm

How would you classify the following material?swimming pool water homogeneous mixture

asked by JJ on February 23, 2013
5. ### chemistry

A 1.500-g sample of a mixture containing only Cu2O and CuO was treated with hydrogen to prduce 1.252 g pure copper metal. Calculate the percentage composition (by mass) of the mixture.

asked by kelly on September 26, 2010
6. ### Definitions....

What is pure liquid? What is impure liquid? Thx You are going to have to define these in context. "Pure" is a relative term. For instance, the term "pure" water...is it really pure? It depends on the definition of pure being used.

asked by GgooD on June 27, 2006
7. ### math

When a chemist dilutes pure acid with another substance, the resulting mixture is no longer pure acid. Consistent with the words, pure acid is 100% acid. So, there are 20 grams of pure acid in 20 grams of a pure-acid solution.

asked by Julia on December 4, 2016
8. ### Chemistry

1How would each of the following affect the accuracy of the calculated neutralizing power of antaid (too high, too low, no effect) explain a)The actacid tablet was not cut exactly in half before weighing b)The solution mixture of

asked by Marie on April 26, 2011
9. ### Chemistry

1How would each of the following affect the accuracy of the calculated neutralizing power of antaid (too high, too low, no effect) explain a)The actacid tablet was not cut exactly in half before weighing b)The solution mixture of

asked by Carl on April 26, 2011
10. ### Chemistry

1How would each of the following affect the accuracy of the calculated neutralizing power of antaid (too high, too low, no effect) explain a)The actacid tablet was not cut exactly in half before weighing b)The solution mixture of

asked by HELP! on April 27, 2011

More Similar Questions