Question #6ec6f

1 Answer
P dilip_k
Apr 18, 2017

The mass % or w/w % of the H_2SO_4 solution is 29%
This means 100 g of the solution contains 29 g or (29g)/(98g"/"mol)=29/98 mol H_2SO_4.
Now let the density of the solution be d g"/"mL

So volume of 100 g H_2SO_4 solution is 100/d mL or
0.1/d L

So molarity of the solution is (29/98)/(0.1/d) M

So by the problem

(29/98)/(0.1/d)=3.6

=>d =(3.6xx9.8)/29~~1.2 g"/"mL

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