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Some Basic Concepts of Chemistry
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12/08/2021 12:16 pm
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50 mL 10 N H2SO4, 25 mL 12 N HCl and 40 mL 5 N HNO3 were mixed together and the volume of the mixture was made 1000 mL by adding water. The normality of the resultant solution will be
(a) 2 N
(b) 1 N
(c) 3 N
(d) 4 N
1 Answer
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12/08/2021 12:21 pm
Correct answer: (b) 1 N
Explanation:
N = \(\frac{N_1V_1 + N_2V_2 + N_3V_3}{Total\;volume}\)
= \(\frac{50 \times 10+ 25\times 12 + 40 \times 5}{1000}\) = 1N