Question

how to find number of moles​

Answer 1

Answer:

Number of moles formula is.Number of moles = Mass of substance / Mass of one mole.

Answer 2

Answer:

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Explanation:

Example 1: Determine the number of moles in 95g of MnO2.

Solution:

Given

Mass of MnO2 = 95g

Mass of one mole MnO2 = 86.94g

Number of moles formula is

Number of moles = Mass of substance / Mass of one mole

Number of moles = 95 / 86.94

Number of moles = 1.092 mol

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