Question

5ml of 1M HCl, 15ml of 2M H2SO4 and 30ml of 3M HNO3 are mixed and the volume made 1000ml by addition of water. The molarity of the resulting solution is 1/yM. What is the value of y?

Answer 1

Answer:

N/40

Explanation:

Eq= N x V

For HCl

Eq= 1 x 5 = 5 Eq

For H2SO4

Eq = 1/2 x 20 = 10 Eq

For HNO3

Eq= 1/3 x 30 = 10 Eq

Total Eq = 5+10+10 = 25 Eq

Again,

Eq= N x V

25 = N x 1000

N/40 Ans

Explanation:

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