Question

The volume of 0.1 M H2SO4 required to completely neutralise 10.6 g of Na2 CO3 is

Answer 1

Answer:

na2co4

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Answer 2

40 ml of 0.1 m H2SO4

NaOH dissociates as -

NaOH --> Na+ + OH-

Hence, it will produce

[OH] = 0.2 × 40 / 1000 moles

[OH] = 8×10^-3 moles

So We'll need the same amount of H+ ions to neutralize it.

H2SO4 dissociates as -

H2SO4 --> 2H+ + (SO4)2-

Hence, it will produce

[H+] = 2 × 0.1 × x / 1000

8×10^-3 = 2 × 0.1 × x / 1000

x = 40 ml

Therefore, 40 ml of 0.1 m H2SO4 will be required

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