WORD ANSWERS
What is a mole
A huge number, 6.02x10^23
What is the molar mass of Lithium
6.94 G
Name the compound SrO
Strontium oxide
Define empirical and molecular formula
EF: Smallest whole number mole ratio of elements in a compound
MF: Actual number of elements in a compound
How much does a mole weigh
It depends on the item/compound
Atoms are too small to count casually.
What is the molar mass mercury
200.59 G
Name the compound NH4Cl
Find the empirical formula of C4H8O2
C2H4O
How many atoms are present in 325g of sulfur
6.10 X 10^24
What are the pieces of a molecular compound, element, and ionic compound
Molecule, atom, Formula Unit
What is the molar mass of lithium iodide
133.84 G
Name the compound SO3
Sulfur trioxide
Find the empirical formula of C11H22O11
CH2O
How many atoms are present in 13.2g of beryllium sulfide.
1.93 X 10^23
Write the mole conversion factor both ways it can appear in calculations.
1mol/6.02 x 10^23
6.02 x 10^23/ 1mol
What is the molar mass of Triphosphorous pentoxide
172.91 G
11.2 Hydrogen and 88.8 oxygen
What is empirical formula of CuCl2
Cucl2
How many grams are present in 2.81x10^25
841 g
What is molar mass
The mass of one mole
What is the molar mass of Manganese (VI) Hydroxide
157.00 G
Find the percent composition of Ca3(PO4)2
38.8 Ca, 20.0 P, 41.2 O
C3H4O2
How many moles are present in 9.98x10^31 formula units of barium sulfate.
1.66 X 10^8