Question

Which of the following correctly represents 360 g of water?
a) 2 moles of h2o
b) 30 moles of water
c) 022 x 1023 molecules of water
d) 12044 x 1025 molecules of water



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Answer 1

Answer:

option B) 30 moles of water.

Answer 2

Answer:

=> The molar mass of water is 18 g/mol.

=> 360 g of water corresponds to

360/18=20mol.

=> It is also equal to 20mol×6.023×10*23molecules/mol= 1.2044×10*25 molecules.