How many grams are in 4.5 x 10^22 molecules of water

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TruthSeekr asked Feb 22, 2022

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How many grams are in 4.5 x 10^22 molecules of water

Chemistry
high-school

TruthSeekr asked Feb 22, 2022

by TruthSeekr

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14 votes

Answer:

1.35 g

Step-by-step explanation:

water is h2o, so the molar mass is 1.01x2+16.00=18.02. divide 4.5 x 10^22 by 6.022 x 10^23 to get 7.5 x 10^-2 (2 sig figs). 18.02 x 7.5 x 10^-2 is 1.35 g

BakriOnFire answered Feb 25, 2022

by BakriOnFire

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