Best answer: How many grams are in 3 moles of oxygen gas O2?

How many molecules of oxygen gas are in 3.0 moles of oxygen gas?

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

How many O2 molecules are there in 3 moles of O2?

According to Avagadro, there are 6.022 × 10^23 molecules in 1 mole of any compound, irrespective of elements or the mass of compound. Thus in 3 moles of O2, there are 3 ×6.022× 10^23 molecules of O2, that is, 18.066×10^23 molecules of O2.

How many grams are in 4 moles of oxygen?

4 moles of oxygen gas would be equivalent to 4 moles x 32 g/mole = 128 g. Thus, 4 moles of oxygen gas (O2) would have a mass of 128 g.

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.

How many atoms are in 3 moles of oxygen?

1 mole of a substance there are 6.022*10^23 atoms/molecules. From this we can deduce that there are 3*6.022*10^23 O2 molecules in 3 moles.

What is K mole?

39.10 grams is the molar mass of one mole of K.

How many molecules is 3 moles?

1 Expert Answer

Do 3 moles x (6.022 x 10^23 molecules / 1 mol) to get about 1.8 x 10^24 molecules.

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How do I calculate moles?

How to find moles?

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

How many moles are in 64 grams of O2?

molar mass of oxygen is 16 grams, it means that 1 mole oxygen weighs 16 grams. therefore 64 gram oxygen = 64/16 = 4 mole oxygen. 1 mole of any element contains 6.022 * 10^23 atoms in it.