A child at the beach digs a hole in the sand and, using a

pail, fills it with water having a mass of 1.20 kg. The mo-

lar mass of water is 18.0 g/mol. (a) Find the number of

water molecules in this pail of water. (b) Suppose the

quantity of water on the Earth is 1.32 1021 kg and re-

mains constant. How many of the water molecules in

this pail of water were likely to have been in an equal

quantity of water that once filled a particular claw print

left by a dinosaur?

Question

Jess

5 June, 09:21

+4

Answers (1)

Know the Answer?

Aaron Ingram · Answer 1

suppose the

quantity of water on the earth is 1.32 1021 kg and remains constant

the