**Contents**show

## What is the number of molecules in 0.5 moles of hydrogen?

There are 6. 022×1023 H20 molecules in it.

## How many atoms are there in 0.5 moles of hydrogen?

There are 4 H atoms per molecule. Therefore, 0.5 moles contains 12 x 10^23 atoms of H.

## What is the number of molecules present in 0.5 mole?

A mole is about 6.022 * 10^23 of anything. So half a mole of water molecules is 3.011 * 10^23 molecules of water. 0.5 x 6.022 x 10^23 molecules of water.

## How many molecules of hydrogen atom are there in 0.5 mole of water?

0.5 mol of water = molecules. Water is composed of 2 hydrogen atoms and one oxygen atom. 0.5 mol of water = 6.022× atoms of hydrogen.

## Which contains more molecules 0.5 moles of 02 or 0.5 moles of 03?

5 moles of O3, then 0.5 moles of O3 Will have more number of atoms as both of them have same number of molecules and each molecule of O2 has 2 O atoms whereas each of OR molecule has 3 O atoms. So, 0.5 moles O3 has more atoms than 0.5 moles of O2.

## How many moles are there in 0.5 g of hydrogen?

Hence the number of moles in 0.5 g of H₂ is 0.25 moles.

## How many particles are in 0.2 moles?

1 Mole of any element contains 6.022X10^23 no of atoms or molecules. For 0.2 moles of oxygen no of atoms or molecules of oxygen will be 0.2X6. 022X10^23 no of constituents.

## What is the no of molecules in 0.5 mole of oxygen?

=3.011×1023×2=6.022×1023.

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

That number is called Avagadros number and is equal to 6.02 x 10^{23} (i.e. 6.02 time 10 to the exponent 23). One MOLE of hydrogen atoms contains the same number of atoms as the number of hydrogen molecules in one MOLE of hydrogen molecules, i.e., Avagadros number.

## How many molecules are there in 0.5 mol of CO2?

The number of molecules present in 0.5 moles of CO2 is6. 022 x 1023 x 0.5 = 3.011 x 1023.

## What is the mass of 0.2 mole of water molecule?

The mass of 1mole of water =18gms. Than, the mass of 0.2moles of water=x. Now x=18×0.2=3.6gms.

## What is the mass of 0.5 moles of water molecule?

Mass of 0.5 mole of water is 9g.

## What is the mass of 0.5 moles of hydrogen atom?

therefore 0.5 mole = 1/2 grams = 0.5 grams.

## How many oxygen atom are there in 0.5 mole of water?

So 0.5 mol of Oxygen has 3.011*10^23 atoms.

## How many atoms of oxygen is present in 0.5 moles of oxygen?

(i)0.5 mole of oxygen gas. (ii) 3.011 x 10^{23} atoms of oxygen. (iii) 6.022 x 10^{24} molecules of oxygen. (Given atomic mass of 0 = 16u; N_{o} = 6.022 x 10^{23} per mole)