calculate the amount of 50 per cent of H2S04 required to decompose 25g of marble
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CaCO3 + H2SO4 -----> CaSO4 + H2O + CO2
100g 98g
100g of marble react with sulphuric acid = 98g
25g of marble react with sulphuric acid = 98/100× 25 = 24.5
50% of H2SO4 required = 100/50 × 24.5 = 49g
100g 98g
100g of marble react with sulphuric acid = 98g
25g of marble react with sulphuric acid = 98/100× 25 = 24.5
50% of H2SO4 required = 100/50 × 24.5 = 49g
qazxsw1:
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i guess its only one yet :(
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yup
er....sry for the trouble but i guess there is another qued
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