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Q.

4.9 g of H2SO4 decomposes 'x'g of NaCl to give 6g of sodium hydrogen sulphate and 1.825 g of hydrochloric acid. Then 'x' is

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a

6.92

b

1.41

c

4.65

d

2.925

answer is C.

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Detailed Solution

H2SO4   +   NaCl     NaHSO4  +  HCl

98 grams      58.5 g        120 grams         36.5g  

4.9 grams      Xg                  6g                   1.825g

X = 4.998x 58.5 =2.925 g

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