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## How many moles are in a grams?

Divide the mass of the substance in grams by its molecular weight. This will give you the number of moles of that substance that are in the specified mass. For 12 g of water, (25 g)/(18.015 g/mol) = **0.666 moles**.

## Can you convert grams to moles?

**Divide the number of grams** of the compound, NaOH, by the molecular weight and as a result, the grams (g) unit cancels and all we have left is the unit mol (moles).

## How many moles are in 35 grams?

There are 0.307 moles **of** molecules in 35 g of octane.

## How many moles are in 100g?

The answer is 100. We assume you are converting between grams 100 and mole. You can view more details on each measurement unit: molecular weight of 100 or mol The SI base unit for amount of substance is the mole. 1 grams 100 is equal to **0.01 mole**.

## Why is a mole 6.02 x10 23?

Originally, a mole was the **quantity of anything that has the same number of particles found in 12.000 grams of carbon-12**. That number of particles is Avogadro’s Number, which is roughly 6.02×10^{23}.