Chemistry, asked by swetapankajsingh, 3 months ago

Find total number of molecules in 90g of water.(Atomic mass of Hydrogen = 1 and Oxygen = 16) *​

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Answered by XxitsmrseenuxX
11

Answer:

H20 has one oxygen atom with a mass of 16 and two hydrogen atoms each with mass of 1. So the mass of H20 is 18. Knowing Avogadro's constant, 18 grams of H20 would have 6.022E23 molecules. Since there are 90 grams, that is 3E24 molecules.

Answered by Anonymous
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