1.

30 ml of sodium carbonate solution is mixed with 20 ml of 0.8N H_2 SO_4. The resultant solution needed 20 ml of 0.7 N HC1 for complete neutralization. The strength of Na_2 CO_3 solution will be:

Answer»

30 g/l
53 g/l
3.2 g/l
1.2 g/l

Answer :B


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