Science, asked by srillimehwrajanhar, 1 year ago

Calculate the number of moles in 52 g of helium gas ?

Answers

Answered by dhruvsh1

no of moles = mass of the substance ÷ atomic mass of the substance
atomic mass of helium gas = H2 = 2 * atoms of He = 2 * 4 = 8 u

therefore no of moles = 52 ÷ 8 = 6.5 moles

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