Scientific Notation
Convert to scientific notation:
45700
4.57 x 104
What is the molar mass of Aluminum?
26.98 g/mol
How many grams are in 0.0755 moles of Ag?
8.14 g Ag
How much is a mole of anything worth?
6.02 x 1023
What is the molar mass of Carbon?
12.01 g/mol
Convert to scientific notation:
0.009
9.0 x 10-3
What is the molar mass of AgF?
126.87 g/mol
How many grams are in 7.65 moles of KBr?
910.35 g KBr
Who was credited with discovering the mole?
Avogadro
Convert to scientific notation:
0.00021
2.1 x 10-4
Convert to standard notation:
6.7 x 105
670 000
What is the molar mass of CH4?
16.05 g/mol
How many moles are in 50 grams of CaCO3?
0.50 mol
What other name does the mole go by?
Avogadro's number
What is the molar mass of H2O?
18.02 g/mol
Convert to standard notation:
1.5 x 10-4
.00015
What is the molar mass of Li3P?
51.79 g/mol
How many moles are in 365 grams of H2O?
20.26 mol
Why is using the mole beneficial in chemistry?
It makes counting small particles like atoms and molecules easier for scientists
What is the difference between atoms and molecules?
atoms are made of only one element
molecules are made when 2 or more atoms are bonded together
Convert to scientific notation:
33,560,000
3.356 x 107
What is the molar mass of Fe2(SO4)3?
399.88 g/mol
How many molecules are in 4.60 moles of NaCl?
2.77 x 1024 molecules
If you have a mole of molecules and a mole of atoms, do they have the same or a different number of "particles?"
Same number; 6.02 x 1023
if 1 mole of something is 6.02 x 1023, how much is 2 moles of something?
1.20 x 1024