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Calculate the number of moles of hydrogen gas present in 500cm^3 of the gas taken at 300k and 760mm pressure. If this sample of hydrogen is found to have a mass equal to 4.09×10^{-2}g , calculate the molar mass of hydrogen. |
| Answer» Calculate the number of moles of hydrogen gas present in 500cm^3 of the gas taken at 300k and 760mm pressure. If this sample of hydrogen is found to have a mass equal to 4.09×10^{-2}g , calculate the molar mass of hydrogen. | |