# How many moles of calcium chloride are in this mass?

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## How do you find moles to mass?

Multiply the molecular weight by the number of moles for the substance. The molecular weight is the number of grams per mole for the substance and gives the conversion factor for moles to grams for that particular substance. So, one mole of water has a mass of 18.02 grams (1 mol H2O x 18.02 g/mol = 18.02 g).

## What is the mass of 0.025 moles of calcium chloride?

025 moles. Then the mass of calcium chloride formed is 2.78g and the correct answer is option B.

## How many atoms are in 15 moles?

And thus in a 15⋅mol quantity there are approx. 9×1024 hydrogen atoms .

## What is the formula for moles to grams?

In order to convert the moles of a substance to grams, you will need to multiply the mole value of the substance by its molar mass.

## What is the relationship between moles and mass?

The mass of one mole of a substance is equal to that substance’s molecular weight. For example, the mean molecular weight of water is 18.015 atomic mass units (amu), so one mole of water weight 18.015 grams.

## What is the mass of 1 mole of any substance called?

The molar mass of a substance is the mass in grams of one mole of that substance. This mass is given by the atomic weight of the chemical unit that makes up that substance in atomic mass units (amu). For example, silver has an atomic weight of 107.8682 amu, so one mole of silver has a mass of 107.8682 grams.

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## How many atoms are in 4 moles of aluminum?

Therefore, [2.41times 10{}^text{2}] atoms/mol of Aluminum are present in \$4\$ mol of Aluminum.