Question

How to calculate moles?

Answer 1

mass = moles x molar mass. Calculate the mass of 0.25 moles of water. Write the equation: ...

moles = mass ÷ molar mass. Calculate the moles in 124.5 g of oxygen gas. Write the equation: ...

molar mass = mass ÷ moles. Calculate the molar mass of a pure substance if 1.75 moles of the substance has a mass of 29.792 g.

Answer 2

given Weight of the particle per atomic or molecular weight of the particle

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