I don't know how to do any of these.plz help.its a study guide for my chemistry exam tomorrow ✌
1 answer:
6.02 x 1023 atoms weigh out 63.55 grams copper.
No. of Molecules in water = 3.5mole x (6.02 x 10^23) molecules/mole = 2.107 x 10^24 molecules of H2O
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