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29/09/2020 3:57 pm
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The normality of solution obtained by mixing 10 ml of N/5 HCI and 30 ml of N/10 HCl is :
(a) N/15
(b) N/5
(c) N/7.5
(d) N/8
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29/09/2020 4:01 pm
(d) N/8
Explanation:
Normality of a mixture of two or more acids is given by
N = N1V1 + N2V2/V1 + V2
= (1/5 x 10 + 1/10 x 30)/10 + 30
= 5/40 = 1/8 or N/8