Science, asked by Rrajkumar786, 1 year ago

no of molecules and atoms in 54gm of H2O​

Answers

Answered by Mahimasharan971
12

Answer:

1.8

×

10

24

water molecules.

Explanation:

There are  

6.022

×

10

23

molecules in a mole.

There are  

18.01528

grams of water per mole of water.

These can be figured out using the concept of moles and molecular weight. I have attached a video that provides a good explanation.

Answered by Anonymous
16

Answer:

So the no of  molecules of 54g of water is 1.8 * 10 to the power 24

Explanation:

To find the mole of 54gm of H2O=

As we know Number of moles = mass/molar mass

So, by using water molar mass to find the no. of moles present in water:-

54g of H2O * 1 mole of H2O/18.015g= 2.997502

than, by using the avogado number to find the number of molecules of water:-

2.997502* 6.022*10 to the power 24/ 1 mole H2O = 1.8 * 10 to the power 24

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