Mole Calculations Worksheet #1 Solve the following problems. Show all your work!!! 1) What is the mass of 1 mole of lithium hydroxide? 2) A saltshaker filled with 17 grams of Sodium chloride contains how many moles of Sodium chloride? 3) Which of the following has the greatest mass? 4.2 mol of carbon or 8.34*1024 atoms of CaCO3 or 12.6 g of Al2(NO3)3 4) In 60 g of N2O there are how many molecules? 5) Find the atomic mass or formula mass for each of the following: a) Mn b) Se c) BaBr2 d) NaOH 6) Find the number of moles of each of the following: a. 25 g of Ar b. 38.6 g of Mg c. 76.5 g of SO3 d. 229 g of NaNO3 7) Find the number of atoms in each of the following: a. 0.28 mole Ni b. 1.84 mole S c. 1.32 mole F2 d. 3.15 mole K3PO4 8) Find the volume of each of the following amounts of gas at STP: a. 0.72 mole of O2 b. 3.4 moles N2 9) How many moles are in each of the following volumes of gas at STP? a. 83.5 L CO2 b. 55.2 L He c. 15.8 L NH3 10) Find the mass of each of the gas samples in question 9.
Pages to are hidden for
"Mole Calculations Worksheet #1"Please download to view full document