UPSC Combined Geo-Scientist, Mains · 2017 · Mains Paper III

Q5(d). Molarity and molality of 27% sulphuric acid

5 marks
Topic: Analysis of geological materials
Question only

Question

Calculate the (i) molar concentration and (ii) molality of a sulphuric acid solution of density 1.198 g cm⁻³ containing 27% H₂SO₄ by weight.

Model answer

The free solution for 2017 answers questions 1, 2, 4, 6, 9 and 10, the ones picked in its time plan. This part is not answered on the site yet. New answers are announced on Telegram.

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Coversmolaritymolalitymass percentdensity of solution

All parts of Question 5

5(a) Balanced net ionic equations10 marks
5(b) Empirical formula of a C, H, N, Cl compound10 marks
5(c) Equivalence point versus end point5 marks
5(d) Molarity and molality of 27% sulphuric acid5 marks