Some Basic Concepts Of Chemistry Question 6

Question: The mass of 70% H2SO4 required for neutralisation of 1 mol of NaOH.

Options:

A) 49 g

B) 98 g

C) 70 g

D) 34.3 g

Show Answer

Answer:

Correct Answer: C

Solution:

H2SO4+2NaOHNa2SO4+2H2O

For 1 mole NaOH12 mole H2SO4 required Molar mass of H2SO4 =98 g 70 g H2SO4 in 100 g solution

982 g H2SO4 in = 10070×49=70 g solution.



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