Stoichiometry Calculations

Question 1

When a 52.37 g sample of silver carbonate decomposes, how many moles of carbon dioxide are produced?

Answer 1

0.1899 mol CO2

Question 2

When 1.23 moles of SbF3 are consumed, how many grams of SbCl3 are produced?

Answer 2

281 g SbCl3

Question 3

When 505 grams of Cr(OH)3 are produced, how many grams of CrCl3 are required?

Answer 3

776 g CrCl3

Question 4

When 66.0 x 1017 molecules of copper (II) chloride are provided, how many grams of copper (II) hydroxide are produced?

Answer 4

0.00107 g Cu(OH)2

Question 5

When 78.926 grams of KCl are produced, what mass of KClO4 decomposed?

Answer 5

146.7 g KClO4

Question 6

When 3.26 moles of sodium sulfide react, how many grams of silver sulfide are produced?

Answer 6

808 g Ag2S

Question 7

When 100.00 g of nitrogen react completely with potassium to synthesize potassium nitride, how many moles of potassium nitride are produced?

Answer 7

7.138 mol potassium nitride