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One mole of oxygen gas, which has the formula O2, has a mass of 32 g and contains 6.02 X 1023 molecules of oxygen but 12.04 X 1023 (2 X 6.02 X 1023) atoms, because each molecule of oxygen contains two oxygen atoms.

## What is the mass of 1 mole of oxygen?

Moles of a Substance and the Molecular Weight

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. If we total up the gram amounts of each element in the water molecule = 15.998g/mol + 2(1.008g/mol) we get the molar mass of water = 18.014g/mol.

## What is the mass of one mole in grams?

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.

## How many grams are in one mole of oxygen gas?

A mole of oxygen atoms 16 grams while a mole of oxygen molecules is 32 grams.

## How many liters are in 1 mole of O2?

The molar volume of an ideal gas is ~22.4 liters per mole (we’ll consider O2 to be an ideal gas for these purposes, and 22.4 is an approximation that varies with temperature, it’s 22.414 at 0C).

## What is the mass of 1 oxygen atom?

We now know that a hydrogen atom has a mass of 1.6735 x 10^{–}^{24} grams, and that the oxygen atom has a mass of 2.6561 X 10^{–}^{23} grams.

## How many moles are in 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.

## How many oxygen molecules are in 3.00 moles of oxygen?

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

## How do you calculate 1 mole of oxygen?

Calculate the number of oxygen atoms in 1 mole of O2. Solution — 1 molecule of O2 = 2 oxygen atoms So, 1 mole of O2 = 2 mole oxygen atoms = 2 × 6.022 × 1023 = 12.044 ×1023 oxygen atoms.

## How many moles are in 2 grams of oxygen?

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

## How do you find the mass of one mole of gas?

n=PV/RT=0.987 atm×0.677 L/0.08206 L⋅atm/K⋅mol×296 K=0.0275 mol Now divide g by mol to get the molar mass. molar mass=1.211 g/0.0275 mol=44.0 g/mol Since N has a molar mass of 14 g/mol and O has a molar mass of 16 g/mol, the formula N2O would produce the correct molar mass.

## What is 1l in grams?

Since there are 1,000 grams in a kilogram, the answer is that 1 liter of water weights 1,000 grams.

## How many liters is 2 moles of oxygen?

Assuming that the gas is at standard temperature and pressure (STP), one mole of any gas occupies 22.4 L . This means the number of moles of O2 is 222.4=0.089 mol .

## How many grams are in 1 mole of co2?

The molecular mass of carbon dioxide is 44.01amu. The molar mass of any compound is the mass in grams of one mole of that compound. One mole of carbon dioxide molecules has a mass of 44.01g, while one mole of sodium sulfide formula units has a mass of 78.04g.