Calculate the weight and volume of acid, Chemistry

A gas contains 350 ppm of H2S in CO2 at 72°F and 1.53 atm pressure.  If the gas is liquified, what is the weight fraction H2S?

You are asked to make up a laboratory solution of 0.10 molar H2SO4 from concentrated (96%) H2SO4 @ 56°F.  The barometric pressure reads 750 mmHg.  You look up the specific gravity of 96% H2SO4 and find it is listed at 1.858.  Calculate:

 (a)  The weight of 96% acid needed per L of solution.

 (b)  The volume of 96% acid used per L of solution.

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