💯 Maths

How do you calculate the mass of a product produced using excess and relative formula masses?

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Answered Feb 20Maths
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Paul RichardsonResourceful tutor and undergraduate at The University of Manchester23 students helped

You first convert your reagents to moles (divide mass by relative molecular mass), then use the chemical formula to determine the limiting reagents and the number of moles of product made when all the limiting reagent is used. Finally you multiply the number of moles of product by its relative molecular mass to get the mass of product