WorksheetsStoichiometry Introduction
Total questions: 8
Worksheet time: 2hrs 0mins
Mole ratios are obtained from the
balanced chemical equation
periodic table
molar mass
Using the following equation:
Fe2O3(s) + 3H2(g) → 2Fe(s) + 3H2O(l)
How many moles of iron can be made from 6 moles H2?
4 moles Fe
6 moles Fe
9 moles Fe
2 moles Fe
2 KClO3 → 2 KCl + 3 O2
How many moles of oxygen are produced when 6.7 moles of KClO3 decompose completely?
6.7 mol
1.0 mol
10.1 mol
4.5 mol
Cl2 + 2KBr → Br2 + 2KCl
How many grams of potassium chloride (KCl) can be produced from 356 g of potassium bromide (KBr)?
749 g
223 g
479 g
814 g
2Al + 3H2SO4 -> Al2(SO4)3 + 3H2
How many grams of aluminum sulfate would be formed if 250g H2SO4 completely reacted with aluminum?
0.85 g
290 g
450 g
870 g
The first step in stoichiometry is to
Determine a balanced equation
convert grams to moles
convert grams to liters
use the mole ratio
What is stoichiometry?
The study of how the quantities of reactants and products are related in chemical reactions
The study of the speed of reactions
The study of how chemical reactions occur
The study of types of reactions
The __________ in a balanced equation reveals the mole ratios of the substances involved.
subscript
coefficients
superscript
total number in each compound
