GENERAL KNOWLEDGE

GK

CHEMISTRY

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
How many water molecules are in 5.2 moles of water?
A
6.02 x 1023
B
5.2
C
3.1 x 1024
D
8.638 x 10-24
Explanation: 

Detailed explanation-1: -We have 5.2 moles of water that will contain 5.2 into 6.022 into 10, raise to power 23 molecules on solving this. We are getting number of water molecules equals to 3.13 into 10, raise to power 24 molecules.

Detailed explanation-2: -Answer: There are therefore 6.02 × 1023 water molecules in a mole of water molecules.

Detailed explanation-3: -Moles in (3.52 X 10^24) molecules of water. 3.52 x 10^24 molecules x ‘1mol/6.02 x 10^23 molecules = 5.85 moles of H2O.

Detailed explanation-4: -Answer and Explanation: There are 3.39 moles are 2.04×1024 2.04 × 10 24 molecules of H2O H 2 O .

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