Activity Two
Wht is atomic mass?
The total mass of protons, neutrons and electrons in a single atom. The mass of 1 mole of atoms.
What is a dozen?
Tweleve of something.
What is a case?
24 of something
What is a gross?
144, a dozen dozens. This is used for bigger numbers.
What is a mole?
A scientific unit of measure. Extremely big number.
One mole is 6.02 x 10^23
How many planet earth's are needed to have a mole of people?
6 x 10^9
mole=6x10^23
How many dozen of eggs do I need to have a gross of eggs?
12=144
# x=12
Daily Na Sodium
1500 mg=1.5 g
23 g of Na atoms/1 mole of Na atoms
No comments:
Post a Comment