# Frequent question: How many moles are in 45 grams of H2O?

Contents

The answer is 18.01528. We assume you are converting between grams H2O and mole.

## How many moles are in 50 grams of H2O?

There are 3 moles of O in 50 g.

## How many moles are in a gram of H2O?

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.

## How many moles are in 12g of H2O?

This will give you the number of moles of that substance that are in the specified mass. For 12 g of water, (25 g)/(18.015 g/mol) = 0.666 moles.

## How many moles are in 18.0 grams of H2O?

The atomic mass of hydrogen is 1 g/mol H. The atomic mass of oxygen is 16g/mol O. The molar mass of H2O is 18 g/mol. 18 g H2O = 1.0 mol H2O.

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## How many moles are in 25g of water?

Hence, 1.38 moles (mol) are present in 25 grams of water.

## How many moles is 9.01 g h2o?

The concept of fractions and multiples described above also applies to molecules: 9.01 g of water would contain 1/2 mole, or 3.01 x 1023 molecules. You can calculate the molecular weight of any compound simply by summing the weights of atoms that make up that compound.

## How many moles are in 36 grams of h2o?

Hence, the number of moles in \$36g\$ of water is two moles.

## How many moles is 108 grams of h2o?

Converting Between Grams and Moles

Steps for Problem Solving How many moles are present in 108 grams of water?
List other known quantities. 1molH2O=18.02g H2O
Prepare a concept map and use the proper conversion factor.
Cancel units and calculate. 108gH2O×1molH2O18.02gH2O=5.99molH2O

## How many moles are in 180g of water?

Moles of water =18018=10 mole.

## What is mole of water?

One mole of water has a mass of 18 grams and volume of 18 milliliters or 0.018 liters. … A mole of water is Avogadro’s number of water molecules. Avogadro’s number is so large that it can be difficult to imagine its size.

## How many eggs are in 1 mole of eggs?

The eggs represent the unit which can be atom, ion or molecule. So by the definition of mole, 6.022×1023number of eggs are present in one mole of eggs.

## How many moles are in 100 grams of water?

There are approximately 5.55 moles of water in a 100-gram sample of water. We determine this using the molar mass of water which is 18.01528…

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## How many moles of C are in 75 g of C?

None. There are 0.75 moles. Note: there are no molecules, instead we have calcium and carbonate We have about 4.5×1023 of each ion.

## What atoms make up H2O?

An atom is the smallest particle of an element, like oxygen or hydrogen. Atoms join together to form molecules. A water molecule has three atoms: two hydrogen (H) atoms and one oxygen (O) atom. That’s why water is sometimes referred to as H2O.