Question

The volume of water which must be added to lcc, 98% by wt H2SO4 of density 1.84g/cc to make it exactly 0.92M is
(A) 40 cc
(B) 30 cc
(C) 19 cc
(D) 25 cc​

Answer 1

Answer:

C) 19cc of water must be added

Explanation:

Molarity = no of moles of solute/liye of solution

Density = mass of solution/volume of solution

Using these, we first find volume of solution which is calculated to be 54.34 ml

Note we find the initial molarity of the solution and find the number of moles of H2SO4

Using this, we find the amount of water to be added to get the required molarity of 0.92M

Refer the attachment for detailed solution!!

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