Instruction: Show the solution, encircle the final answer with
correct number of significant figures.
6. What is the molecular formula and molar mass of
the following compounds.
a. Ammonium ferrous
sulfate hexahydrate
b. Potassium
ferrocyanide
7. Aluminium reacts with iodine according to the
following equation:
2Al(s) +
3I2(s) → Al2 I6(s)
a. How many moles of
Al2 I6 are produced by the
reaction of 5.0 mole of aluminium?
b. How many moles of
I2 are required to react exactly with 0.249 mole of
aluminium?
8. Methanol (CH4O), which is used as a fuel in
high –performance racing cars, burns in the presence of
O2 to form CO2 and
H2
2CH4O(l) +
3O2(g) → 2CO2(g) +
4H2O(g)
a. What is the
theoretical yield of CO2 from 40.0 grams of
methanol?
b. What is the percent yield of
CO2 if 40.0 grams of carbon dioxide are
formed?
Instruction Show The Solution Encircle The Final Answer With Correct Number Of Significant Figures 6 What Is The Mo 1 (86.15 KiB) Viewed 9 times
6. What is the molecular formula and molar mass of the following compounds. a. Ammonium ferrous sulfate hexahydrate b. Potassium ferrocyanide ST 7. Aluminium reacts with iodine according to the following equation: 2Al(s) + 312(s) → Alz 16(s) a. How many moles of Alz 16 are produced by the reaction of 5.0 mole of aluminium? b. How many moles of 12 are required to react exactly with 0.249 mole of aluminium? 8. Methanol (CH40), which is used as a fuel in high-performance racing cars, burns in the presence of 02 to form CO2 and H2 2CH4O(1) + 302(g) → 2CO2(g) + 4H2O(g) a. What is the theoretical yield of CO2 from 40.0 grams of methanol? b. What is the percent yield of CO2 if 40.0 grams of carbon dioxide are formed?
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