Mole Conversions Worksheet #1
1. Mole –> Mass Conversions – using molar mass of each substance, convert the following quantities.
a. 10.0 mol Cr 520 g f. 0.160 mol H2O 2.88 g
b. 3.32 mol K 130 g g. 5.08 mol Ca(NO3)2 834 g
c. 2.20 x 10–3 mol Sn 0.261 g h. 15.0 mol H2SO4 1470 g
d. 0.720 mol Be 6.48 g i. 4.52 x 10–5 mol C2H4 1.27 x 10-3 g
e. 2.40 mol N2 67.2 g j. 0.0112 mol K2CO3 1.55 g
2. Mass –> Mole Conversions – using molar mass of each substance convert
the following quantities.
a. 72.0 g Ar 1.80 mol f. 27.4 g NO2 0.596 mol
b. 3.70 x 10–1 g B 3.43 x 10-2 mol g. 5.00 g H2 2.50 mol
c. 187 g Al 6.93 mol h. 2.64 x 10–4 g Li3PO4 2.28 x 10-6 mol
d. 333 g SnF2 2.13 mol i. 11.0 g CH4 0.688 mol
e. 7.21 x 10–2 g He 1.80 x 10-2 j. 847 g (NH4)2CO3 8.82 mol
3. What is the volume of the following gases?
a. 5.40 mol O2 121 L
b. 3.20 x 10–2 mol CO2 0.717 L
c. 0.960 mol SO3 21.5 L
4. How many moles are in each of the following volumes?
a. 89.6 L Ne 4.00 mol
b. 1.00 x 103 L C2H6 44.6 mol
c. 5.42 x 10-1 F2 2.42 x 10-2 mol
5. Find the number of moles in each of the number of representative particles.
a. 1.20 x 1025 atoms of P 19.9 mol
b. 3.87 x 1021 molecules of AlF3 6.43 x 10-3 mol
c. 4.81 x 1014 molecules of NH3 7.99 x 10-10 mol
6. How many representative particles are in each of the following mole quantities?
a. 1.24 mol Cl2 7.46 x 1023 molecules
b. 4.20 x 10–3 mol K2S 2.53 x 1021 molecules
c. 34.02 mol Ca(OH)2 2.048 x 1025 molecules
7. Convert the following two-step quantities, converting first to moles and then to the desired quantity.
a. Find the number of molecules in 60.0 g of N2O. 8.21 x 1023 molecules
b. Find the volume of 3.24 x 1022 molecules of Ne 1.21 L
c. Find the mass of 18.0 L of CH4 12.9 g
d. Find the volume of 835 g of SO3 234 L
e. Find the mass of one atom of nickel. 1 x 10-22 g
