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Calculate molarity of H+ ions in a solution if 0.2 M 100 ml H2SO4 is mixed with 0.1 M 300 ml NaOH solution.

Calculate molarity of H+ ions in a solution if 0.2 M 100 ml H2SO4 is mixed with 0.1 M 300 ml NaOH solution.

Grade:12th pass

1 Answers

RANJEET KUMAR
32 Points
7 years ago
100 ml of 0.2M H2SO4 solution contains 0.04 moles of H+ ion, and 300 ml of 0.1M  NaOH contains 0.03 moles of OH- ion. so after mixing both the solutions 0.03 mole of water will be frmed and 0.01 moles of h+ ion will be remaining in the 400 ml of solution.
so the molarity of H+ ion will be [0.01*1000]/400 = 0.025.

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