# You asked: How many moles are in 100 grams of hydrogen?

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## How many moles are there in 100 grams of hydrogen?

This requires 100/18 moles of hydrogen. As the molar mass of hydrogen is 2, it requires 200/18 = 100/9 g of hydrogen.

## How do you find moles in 100g?

Number of moles=100g/ 18.02 g/ moles= 5.55 moles.

## How many moles are in hydrogen?

An amount of any substance in grams that is numerically equal to its atomic or molecular weight in amu has been defined as one mole of that substance. By this definition, one mole of hydrogen is 2.016 grams, one mole of methane is 16.043 grams, and one mole of water is 18.015 grams.

## How do you find moles of hydrogen?

Use the mass of the hydrogen gas to calculate the gas moles directly; divide the hydrogen weight by its molar mass of 2 g/mole. For example, 250 grams (g) of the hydrogen gas corresponds to 250 g / 2 g/mole = 125 moles.

## How many grams of hydrogen will you need in 100 grams of water?

So in 100 g of water 89 g will be of oxygen while 11 g will be of hydrogen.

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## How many moles are in 100g of iron?

1.79 moles are there in 100g of iron.