Question 3
? Question
Compare the value you calculated for the number of sand grains on Earth's beaches to the number of particles in a mole.
What can you conclude about the size of a mole?
The number of particles in a mole is about
the number of grains of sand on Earth's beaches.
Part B
Question 1
Submit
? Question
Determine the molar mass of water (H2O) using the periodic table . Express your answer to the correct number of
significant figures.
The molar mass of water is!
grams/mole.