**Contents**show

## How many grams is 18 moles water?

– We can say that 18 grams of water means same as **1 mole** of water , and in this NA Avogadro number of water molecules are present , which means 6.02×1023 molecules.

## How many water molecules are there in 18 ml water?

Answer: So 18 ml of water weights 18 gm. So it contain **6.022*10^23 molecules** ie avagadro number of molecules.

## How many moles is 18 grams?

It is equal to Avogadro’s number (NA), namely 6.022 x1023. If we have one mole of water, then we know that it will have a mass of 2 grams (for 2 molesof H atoms) + 16 grams (for **one moleO** atom) = 18 grams.

## How many moles are in 20.00 grams of water?

Hence,number of moles in 20g of water is **1.11111**……

## What is a mole of H2O?

H2O Average atomic mass of H: 1.01 g/mol. Average atomic mass of O: 16.00 g/mol. The number of atoms is an exact number, the number of mole is an exact number; they do not affect the number of significant figures. The average mass of one mole of H2O is **18.02 grams**.

## What is the mass of 5 Moles H2O?

Five moles of water whould have a mass of **90.05 g**.

## How do you find mass of water?

Explanation: One mole of H2 O is made up of 2 moles of Hydrogen atoms and 1 mole of Oxygen atom. Mass of two moles of Hydrogen atoms = 2x 1 g/mol = 2 g/mol. Mass of one mole of water = 2 g/mol + 16 **g/mol = 18 g/mol**.