Question

calculate the mass of the solute in the following solutions . i 100 cm^3 of N/2 KOH

Answer 1

Answer:

Calculate the mass of the solute in the following solutions : (i)100 cm^3 of N/10 KOH (ii) 250 cm^3 of ... (iv) 150 cm^3 of M/2 HCl . 1. See answer

Answer 2

Answer:

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Explanation:

ANSWER

Given Normality of HCI = 0.1 N,

Volume of HCl = 100 ml

Normality of NaOH = 0.2 N,

Volume of NaOH = 100 ml

∴ Miliequivalents of HCl =0.1×100=10

∴ Miliequivalents of NaOH =0.2×200=20

HCl+NaOH→NaCl+H

2

Miliquivalents before reaction 10 20 0 0

Milliequivalents after reaction 0 10 10 10

No. of moles left in solution = 20 - 10 = 10

Normality of resulting solution =

Total volume of solution

No. of moles left in solution

=

100+100

10

=

200

10

=0.05N

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