Hydrogen and its compoundHard
Question
The weight of NaCl decomposed by4.9g of H2SO4, if 6g of sodium hydrogen sulphate and 1.825 g of NCl, were produced in the reaction is :
Options
A.6.921 g
B.4.65 g
C.2.925 g
D.1.4 g
Solution
According to low of conservation of mass ″mass is neither created nor destroyed during a chemical change″
∴ Mass of the reactants = Mass of products
x = 4.9 = 6 + 1.825
x = 2.925 g
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