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CK12 Extra practice. Mol conversions 1. You have 19.7 grams of a material and wonder how many moles were formed. Your friend tells you to multiply the mass by grams/mole. Is your friend correct? Explain the answer using dimensional analysis.

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Use the grams to moles formula to calculate the number of moles, n, of a substance with a given mass, m, (in grams) accurately. n = m / M, where M is the substance's molar mass

What does a mole of 1 gram mean?

The number of atoms, molecules, or ions (or any other entity) in a substance is measured in gram moles. 6.022 x 1023 is what it is in all entities. It is equivalent to 6.022 x 1023 molecules of H 2 S or, in the case of an atom, 6.022 x 1023 atoms (in case of a molecule )

What is a mole, simply put?

In chemistry, a mole, sometimes spelled mol, is a common scientific measurement unit for huge amounts of little things.

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