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## How many moles are in chlorine?

A conveniently measured amount of any element that equals the mass in grams of that element is called a mole. One mole of hydrogen weighs 2 grams. **One mole** of chlorine weighs 70 grams. Just like a dozen equals twelve, a mole equals Avogadro’s number of atoms or 6.02 × 10^{23}.

## How many moles are in 255 g of chlorine gas?

Atomic weight of chlorine is 35.45 g/mol, but chlorine gas exists as a diatomic molecule, so molar mass is 70.9 g/mol. Therefore **1.50 moles** will have a mass of 1.50 x 70.9 = 106.35 g.

## How many moles of CL are in Cl2?

Hence, the answer is **3.33⋅1023 molecules** of Cl2. Note that 6.022⋅1023 is also known as Avogadro’s number, and it can be referred to as the number of molecules in one mole of that substance. Also, I calculated 70.9 because 35.45 g/mol (the mass of one Chlorine atom) times 2 is 70.9 g/mol (Cl2 has two Chlorine atoms).

## How many moles of Cl2 are there in 7.1 g of chlorine?

Conclusion: **0.1 moles** are present in 7.1g of chlorine gas.

## How much does 1 mole of 1h weigh?

What’s extraordinary about Avogadro’s Number is that 6.022 x 1023 atoms of any element will always be equal to their atomic mass in grams. This means one mole of hydrogen is **1.0078 grams**. By using the atomic mass of the different elements, we can figure out how much a mole of any molecule weighs.

## How do I calculate moles?

**How to find moles?**

- Measure the weight of your substance.
- Use a periodic table to find its atomic or molecular mass.
- Divide the weight by the atomic or molecular mass.
- Check your results with Omni Calculator.

## What is the formula for moles to grams?

Moles to grams example problem

Solution: Find out the molar mass of the substance (hint: you can use Molar mass of the substance alone to calculate molar mass). The molar mass of KClO3 is 122.548 g/mol. **Multiply the given number of moles** (2.50 mol) by the molar mass (122.548 g/mol) to get the grams.

## How many grams are in 3 moles of chlorine gas?

So the mass is **213 grams**. So, the mass of 3 moles of chlorine molecule is 213gram.

## Is cl2 one mole or two?

The mass of one mole of chlorine gas is its **molar** mass, and can be determined by multiplying its subscript by the molar mass of chlorine (atomic weight on the periodic table in g/mol), which is 35.45 g/mol .

## How many atoms are in 2 moles of chlorine?

2 Answers. **3.6⋅1024 Chlorine atoms**.