Question

0. One tablet of vitamin C (ascorbic acid) requires
for complete neutralisation 20ml of decinormal
NaOH. If equivalent weight of ascorbic acid
is 176, weight of the vitamin in the tablet is
1) 0.176 g 2)0.352 g 3) 17.6 g 4)3.52 g
rcial sul
ric acid​

Answer 1

Answer:

0.325g

Explanation:

N1V1 = N2V2

No.of equivalents of acid equal to hte ratio of weight of the acid to its equivalent weight.

ω

× 1000 = .1×20

equivalent weight

ω = .1×20×176

1000

ω = 0.352 g

Hence , 0 352g of weight is in Vitamins