How much water must be added to 100 ml of 80 per cent solution of boric acid to reduce it to a 50 per cent solution ?

How much water must be added to 100 ml of 80 per cent solution of bori

1.	How much water must be added to 100 ml of 80 per cent solution of boric acid to reduce it to a 50 per cent solution ?
A.	30 ml
B.	40 ml
C.	50 ml
D.	60 ml
Answer» E.

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How much water must be added to 100 ml of 80 per cent solution of boric acid to reduce it to a 50 per cent solution ?

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