# How many molecules are in a liter of water?

## How many molecules are in a liter of water?

One mole of water has a mass of 18 grams and a volume of 18 mL (as the density of water is 1 g per cm3). It contains Avogadro’s number of molecules (6x 10^23). Thus 1 litre of water contains 1 / 18 x 1000 x 6 x 1^23. molecules……

**How many molecules are in 1kg of water?**

Figure out how many water molecules there are in 1 kg of water. (Hint: The atomic mass of water is 18D* and Avogadro’s number is ~ 6 x 1023 molecules/mole.) Since 1 kg of water has 1000 g, that corresponds to 1000/18 moles. That would have (103/18) x (6 x 1023) ~ 3 x 1025 molecules of water.

### How many liters are in a molecule?

Converting from moles to volume (liters): Multiply your mole value by the molar volume constant, 22.4L. Converting from particles (atoms, molecules, or formula units) to moles: Divide your particle value by Avogadro’s number, 6.02×1023.

**How many h2o molecules are present in 1 kg of water?**

Hence, 1000g of it would be equal to 1000/18 moles. This comes out be 55.55 moles. Thus 1 kg of water or ice has 55.55 moles of H20.

#### How many water molecules are in a gallon of water?

The density of water is 1g/(cm3) so in 1 gallon of water ( about 3.785 Liters or 3785 cm3) the mass of the water is, 3785g. 1 mole of 6.02×1023 molecules of water is equal has the mass in grams equal to the molecular weight or 18 grams per mole. so 3785 grams corresponds to about 1.265 x 1026 molecules of water.

**How many molecules are in a liter of gas?**

6.022 × 10 23 22.4 = 0.27 × 1023 particles. Hence, the number of molecules in 1 liter of any gas at S.T.P is 0.27 × 1023 molecules.

## Does boiling water break hydrogen bonds?

When the heat is raised (for instance, as water is boiled), the higher kinetic energy of the water molecules causes the hydrogen bonds to break completely and allows water molecules to escape into the air as gas.

**How many molecules are in a kilogram?**

If a molecule weighs X amu, then a mass of it that weighs X grams has 6.022×10^23 molecules in it. This last number is called Avagadro’s number and is familiar to any high school chemistry student. So 1g = 6.022×10^23 amu. Therefore 1 kg = 6.022×10^26 amu.

### How many moles are in a liter of gas?

As long as the gas is ideal, 1 mole = 22.4L.

**How much is 1 kg in Mols?**

The idea here is that 1 kg-mole is equal to 103 moles. This is the case because a mole of a substance must contain a number of particles of that substance equal to the number of atoms present in exactly 12 g of carbon-12.