Molar Mass
What is the molar mass of hydrogen?
1.01 g/mol
34.0g NH₃
2.00 mol
What is Avogadro's number?
6.022x10²³
0.100 moles of KI
16.6g
How many gold atoms are in 2.00 mols of gold(Au)?
1.20 x 10²⁴
What is the molar mass of CaO?
56.08 g/mol
17.0g of H₂O₂
0.500 mol H₂O₂
How is mole similar to a dozen?
it's a word that represents an amount of things/number
0.50 moles Cr₂O₃
76g
How many moles are 1.250 x10²³ molecules of glucose C₆H₁₂O₆ ?
2.07 mol
What is the molar mass of NaOH?
39.997 g/mol
0.750g of Na₂CO₃
0.00708 mol
Which contains more atoms, a mole of calcium or a mole of mercury?
They both contain the same amount of moles, 6.022 x 10²³
1.500 moles of KClO
135.8g
How many molecules are in 2.79 mole of NH₃?
1.68 x 10²⁴ atoms
What is the molar mass of C₂H₅OH
46.07 g/mol
1.00 gram Ba(OH)
0.00584 mol
Which weighs more, a mole of sulfur or a mole of lead?
lead
3.40 moles of Na₂CO₃
360g
What is the mass of 3.13 x 1021 atoms of KBr?
0.619g
What is the molar mass of baking soda/sodium bicarbonate NaHCO₃ ?
84.01 g/mol
12.25 gram Sr(HCO3)2
0.05843 mol
What is heavier? 1 mole of K, Mo, Pb or Th?
Th (Thorium)
What is the name of Mrs. Krueger's favorite Harry Potter book
Harry Potter and the Half Blood Prince
If you have a 100 g sample of KMnO4, how many molecules of KMnO4are in the sample?
4 x 10²³ molecules