Two moles of an unknown substance were shown to have a mass of 240g. What molecular mass does the substance have?

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asked Aug 17, 2019 139k views

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Nicolas De Fontenay · Answer 1 · 2019-08-24T03:57:53+0000

The molecular mass of the unknown substance is calculated as follows

mass of unknown substance / moles of unknown substance

that is 240g /2 mol = 120 g/mol

Two moles of an unknown substance were shown to have a mass of 240g. What molecular mass does the substance have?

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