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by BlastRoom
Practice converting between grams and moles using molar mass.
#chemistry
30 questions
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A sample has a mass of 10.0 g NaCl. The molar mass of NaCl is 58.44 g/mol. How many moles of NaCl are in the sample?
A dry ice sample contains 25.0 g CO2. If CO2 has a molar mass of 44.01 g/mol, what amount is present?
A piece of iron has a mass of 5.50 g. Iron's molar mass is 55.85 g/mol. Which amount of Fe is this?
A beaker contains 72.0 g H2O. The molar mass of H2O is 18.02 g/mol. How many moles of water are present?
An oxygen sample has a mass of 3.20 g O2. If the molar mass of O2 is 32.00 g/mol, what is the amount in moles?
A 150. g sample of CaCO3 has a molar mass of 100.09 g/mol. How many moles of CaCO3 are in the sample?
A tablet contains 0.250 g caffeine. Caffeine has a molar mass of 194.19 g/mol. What amount of caffeine is this?
A tank holds 84.0 g N2. If N2 has a molar mass of 28.02 g/mol, how many moles of N2 are there?
What mass is 2.50 mol CO2 if the molar mass of CO2 is 44.01 g/mol?
A reaction uses 0.750 mol O2. The molar mass of O2 is 32.00 g/mol. What mass of O2 is used?
If a solution contains 1.25 mol NaCl and NaCl has a molar mass of 58.44 g/mol, what mass of NaCl is present?
A sample contains 4.00 mol H2O. Using the molar mass 18.02 g/mol, what is the sample's mass?
A lab needs 0.125 mol Cu. Copper has a molar mass of 63.55 g/mol. What mass of Cu is needed?
How many grams are in 3.20 mol NH3 if NH3 has a molar mass of 17.03 g/mol?
A cylinder contains 6.00 mol HCl. If HCl has a molar mass of 36.46 g/mol, what mass of HCl is in the cylinder?
A student measures 0.0400 mol glucose. The molar mass of glucose is 180.16 g/mol. What mass did the student measure?
Using H = 1.01 g/mol and O = 16.00 g/mol, how many moles are in 36.0 g H2O?
Using C = 12.01, H = 1.01, and O = 16.00 g/mol, what mass is 0.250 mol C6H12O6?
Using C = 12.01 g/mol and O = 16.00 g/mol, how many moles are in 88.0 g CO2?
Using Na = 22.99, O = 16.00, and H = 1.01 g/mol, what mass is 3.00 mol NaOH?
Using Ca = 40.08 g/mol and Cl = 35.45 g/mol, how many moles are in 55.5 g CaCl2?
Using K = 39.10 g/mol and Br = 79.90 g/mol, what mass is 1.75 mol KBr?
Using Al = 26.98 g/mol and O = 16.00 g/mol, how many moles are in 51.0 g Al2O3?
Using C = 12.01 g/mol and H = 1.01 g/mol, what mass is 5.00 mol CH4?
Using Mg = 24.31, N = 14.01, and O = 16.00 g/mol, what mass is 0.400 mol Mg(NO3)2?
Using H = 1.01, S = 32.07, and O = 16.00 g/mol, how many moles are in 9.80 g H2SO4?
Which setup converts 0.750 mol O2 to grams of O2 using 32.00 g/mol?
Which setup converts 12.5 g Fe to moles of Fe using 55.85 g/mol?
Which conversion factor correctly changes 1.20 mol CaCl2 into grams, given a molar mass of 110.98 g/mol?
Which setup converts 4.60 g NH3 to moles of NH3 using the molar mass 17.03 g/mol?
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20 questions
