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46. Volume of water needed to mix with 10 mL

10N HNO3  to get  0.1 N HNO3 

a. 1000 mL

b. 990 mL

c. 1010 mL

d. 10 mL

Ans. b

Explanation : N1  V1  =  N2  V2

10 x 10 = 0.1 (10+V)

V = 10 x 10 / 0.1 – 10 = 1000 -10

= 990 mL.

(17)

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