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Calculate the molar volume of 146 g of HC1 gas and the number of molecules present in it. |
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Answer» Solution :MOLAR mass of HCl = 36.5 g The molar volume of 36.5 g (1 mole) of HCl = `2.24xx10^(-2)m^(3)` `:.` The volume of 146 g (4 moles) of HCl = `(2.24xx10^(-2))/36.5 xx 146` = `8.96xxl0^(-2)m^(3)` No. of molecules in 146 g of HCl = 4 N = 4 `xx` Avogadro Number = `4 xx 6.023 xx 10^(23)` = `24.092 xx 10^(23)` = `2.4092 xx 10^(24)` molecules. |
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