Moles practice Q’s Ch 10 Pearson
What is the mass of 2.50 moles of FeS? 220. g 35.2 g .0284 g
How many moles of Fe is 3.3 × 1015 atoms of Fe? 1.8 x 1015 mol 9.2 x 107 mol 5.5 x 10-9 mol
True or False Representative particles can be atoms, molecules, or ions present in a substance.
How many atoms in 2 moles of hydrogen? 6.022 x 1023 atoms 1.204 x 1024 atoms 3.011 x 1023 atoms
What is the density of CO2, a gas, at STP? 985.8 g/L 44.01 g/L 1.965 g/L
True or False The mole is the SI unit that measures the amount of a substance.
How many moles are in 6.00 grams of F2? 2.28 x 1025 mol
What is the molar mass of methane, CH4? 16.06 g/mol Not enough information 6.022 x 1023
Please make your selection What is Avogadro’s number? 6.022 x 1023 atoms 12.01 atoms 3.011 x 1023 atoms 22.4 L
True or False The molar mass of a substance is found by adding together the masses of each element in the substance from the Periodic Table.
What is the volume of 32.0 grams of O2 at STP?