Explain how to convert from moles to grams and grams to moles of the same substance
What is multiply or divide by the molar mass of the substance?
100
How many molecules are present in 8.48 moles of H2O?
What 5.10 x 10^24 molecules of water?
100
Describe percent composition
What is SrF2
100
Determine the mole ratio for HgCl2 and AlCl3:
2AlI3 + 3HgCl2 --> 2AlCl3 + 3HgI2
What is 3/2 or 2/3?
200
molar mass of bismuth
What is 209.98 grams?
200
number of moles in 45 grams of HF
What is 2.25 moles?
200
How many moles are there in 3.47 x 10^ 23 gold atoms?
What is .58 moles of gold atoms?
200
What is the name of Co2O3
Cobalt (III) oxide
200
How many moles of NH3 are produced when 7.45 moles of N2 are used
N2 + 3H2 --> 2NH3
What is 14.9 moles NH3?
300
Molar mass of CaO
What is 56.08 grams?
300
Number of moles in 456 g of Ra(OH)2
What is 1.75 moles?
300
What is the mass of 5.0 x 10^14 molecules of water?
What is 1.50 x 10^-8 grams of H2O?
300
Name Se2Br3
Diselenium tribromide
300
What mass of CO2 is produced when 6.2 moles of C3H8 is used
C3H8 + 5 O2 --> 3 CO2 + 4 H2O
What is 818.2 grams of CO2?
400
Molar mass of Barium Chloride
What is 208.23 grams?
400
Number of grams in 1.47 moles NaHCO3
What is 123.44 grams?
400
How many molecules are contained in 168.2 grams of CO2
What is 2.30 x 10^24 molecules?
400
What is the formula of the compound which forms between platinum (IV) and phosphorus?
what is Pt3P5
400
What mass of of NaI will react with 7.82 grams of Cl2?
What is 33.06 g of NaI?
500
Molar mass of ammonium hydroxide
What is 35 g?
500
Number of grams in .568 moles of Pb(CH3COO)4
What is 25.73 grams?
500
How many molecules of water are there in 502.7 mL od water?
What is 1.68 x 10^25 molecules?
500
Name the products which form from a double displacement reaction between calcium carbonate and hydrochloric acid.
carbonic acid and calcium chloride
500
Determine the limiting reactant for the following reaction and how many grams of CO2 will be produced
256.5 grams of C8H18 react with 984.6 grams of O2
2C8H18 + 25O2 --> 16CO2 + 18H2O