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How many molecules are in 45.0 g of water
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Apr 6, 2022
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How many molecules are in 45.0 g of water
Chemistry
high-school
Hmcclungiii
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1.5055*10²³
Given mass = 45g
Molar mass of H2O = 2+16 = 18g
Moles = Given mass/Molar mass
= 45/18 = 2.5moles
No of molecule in 1 mole = 6.022*10²³
No of molecue in 2.5 mole = 2.5*6.022*10²³
= 1.5055*10²³
Gregtzar
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Apr 12, 2022
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Gregtzar
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