Question

Calculate the molarity of H2so4 solution contains 55g of acid in 300mlof solution​

Answer 1

Answer:

Molarity=55/300*2.01588=0.0677559666666667

Explanation:

The bottle containing sulphuric acid should have the following information :

% (v/v) or % (w/v) of the acid solution.

Density or specific gravity.

Molecular weight.

First, you calculate the amount of sulphuric acid (in g) present in 1 liter of the solution. For example, if 97% w/v acid is present, it means 97 g of acid is present in 100 ml of solution and hence 970 g in 1 liter solution. Alternatively, if 97% v/v is given, then 97 ml acid is present in 100 ml solution. Use density or specific gravity to get amount of acid (g) present in a given volume of solution.

Then, simply use this formula to get the molarity of the solution.

Molarity = (amount of acid in g per liter of solution)/(molecular weight).

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