1.

5 mL of N HCI, 20 mL of N/2 H_2SO_4 and 30 mL ofN/3 HNO_3 are mixed together and the volume made to 1 litre. The normality of the resulting solution is:

Answer»

`N/5`
`N/10`
`N/20`
`N/40`

Solution :`N_(1)V_(1) + N_(2)V_(2) + N_(3)V_(3) = NV, V = 1000 mL` (GIVEN)
`1 XX 5 + 1/2 xx 20 + 1/3 xx 30 = N xx 1000`
`N = 1/40 N`


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