Question

what is molarity of a solution of H2so4 which has density of 1.84g/ml and contains 98%(w/w) h2so4 solution???​

Answer 1

Answer:

18.41M

Explanation:

the solution contains 98% H2SO4 by weight/mass

that means 100 gram of solutions contains 98 grams of H2SO4

given its density is 1.84 gm/ml (cc = ml)

we know density = mass/volume

so volume of the solution = mass of solution / density of solution

= 100 gram / 1.84 = 54.3 ml

No. of moles of H2SO4 = weight of H2SO4 given / molar mass of H2SO4

= 98/98 = 1 mole

so molarity = 1 mole / 54.3 ml * 1000 = 18.41 M

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