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You have 3 moles, so there are 3×6.022×1023 oxygen molecules .

## How many atoms will be there in 3 moles of O2?

Explanation: 1 mole of O₂ contains 6.022 × 10²³ atoms. Thus, 3 moles O₂ would contain 3 × 6.022 × 10²³ atoms. Therefore, 3 moles of O₂ contain 18.066 × 10²³ atoms.

## How many molecules are in a mole of oxygen?

One mole of oxygen gas, which has the formula O_{2}, has a mass of 32 g and contains 6.02 X 10^{23} molecules of oxygen but 12.04 X 10^{23} (2 X 6.02 X 10^{23}) atoms, because each molecule of oxygen contains two oxygen atoms.

## What is the mass of 3 moles of oxygen molecules?

3 moles of Oxygen atoms weigh 48.00 grams.

## How much is 3 moles?

One mole of any substance is equal to its molar mass. 3 moles of water has a mass of 30g. similarly 1 mole of water is equivalent to molecular mass of water x 3 that is 18×3=54 gram. It would constitute 3N molecules of water.

## How many oxygen atoms are in 4 moles of O2?

Oxygen gas (O2) is made up of 2 atoms of oxygen. Since oxygen has an atomic mass of 16 g/mole, the molar mass of oxygen gas (O2) is 2 x 16 g/mole = 32 g/mole. Since 1 mole of oxygen is equivalent to 32 g, 4 moles of oxygen gas would be equivalent to 4 moles x 32 g/mole = 128 g.

## 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.

## How much is a mole of oxygen?

The mass of oxygen equal to one mole of oxygen is 15.998 grams and the mass of one mole of hydrogen is 1.008 g.

## How many atoms or molecules are in a mole?

The mole is represented by Avogadro’s number, which is 6.022×10^{23} atoms or molecules per mol.

## How do you find moles of oxygen?

So, guys, in one mole of oxygen, how many grams are there if you take a look at the product table? Or maybe you remember the atomic weight of oxygen. It is 16 g per one mole, right, so 16 g per one more. So all you have to do is divide 35.2 by 16 and that will give you the answer in moles to to moles of oxygen atoms.

## How many moles of so2 have the same mass as 3 moles of oxygen?

Conclusion: 0.75 moles of have same mass as 3 moles of oxygen.

## How many grams are there in 3.5 moles of oxygen?

The atomic mass of oxygen is approximately 16 grams, however o2 would make it 32 grams. Then one would multiply 32 by 3.5 moles which would give you 112 grams per 3.5 moles. So,3.5 moles of oxygen has mass=3.5×16=56grams.

## What is the mass of 2 mole of oxygen?

Just multiply 2 by 31.9988 g because there are two moles of oxygen. So, the answer is 63.9976 g ..

## How many molecules are there in 3 moles of water?

So, in 3 moles of the substance, there’ll be 3⋅6=18 moles of water molecules. Remember that a mole of molecules contains 6.02⋅1023 molecules. So here, there’ll be a total of 6.02⋅1023⋅18≈1.08⋅1025 water molecules.

## How many particles are in 3 moles?

A mole of anything contains 6.022×1023 individual items of that something. You have 3 moles, so there are 3×6.022×1023 oxygen molecules . How many oxygen atoms have you got?

## How many molecules are present in 3 moles of a compound?

This is given by 3 moles of ${{H}_{2}}Stimes dfrac{6.022times {{10}^{23}}}{1}$ . This gives the value = $1.8times {{10}^{24}}$ molecules of ${{H}_{2}}S$ . Therefore, the correct answer is 3 moles of ${{H}_{2}}S$ contains $1.8times {{10}^{24}}$ number of molecules.