Question

Calculate the number of molecules in 0.05g of H2O.​

Answer 1

Answer:

1/360 (or) 0.002 molecules

Explanation:

1 molecule of H2O=18 grams

'x' molecules of H2O=0.05 grams

(cross multiply)

18 * x = 1 * 0.05

x=0.05/18

x=1/360 molecules (OR) x=0.002 molecules

Answer 2

Answer:

1.67 ×10^21

Explanation:

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