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# Solution Stoichiometry

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Sections
Solutions
Molarity
Osmolarity
Dilutions
Solubility Rules
Electrolytes
Molecular Equations
Gas Evolution Equations
Solution Stoichiometry
Complete Ionic Equations
Calculate Oxidation Numbers
Redox Reactions
Balancing Redox Reactions: Acidic Solutions
Balancing Redox Reactions: Basic Solutions
Activity Series

Solution Stoichiometry deals with stoichiometric calculations in solutions that involve volume and molarity.

###### Solution Stoichiometry

Concept #1: Solution Stoichiometry

Use the solution stoichiometric chart when dealing with calculations involving molarity and/or volume.

Example #1: How many moles of hydrogen gas were produced when 38.74 mL of 0.275 M H2O reacts with excess sodium?

Practice: How many milliliters of 0.325 M HCl are needed to react with 16.2 g of magnesium metal?

2 HCl (aq) + Mg (s) → MgCl2 + H2 (g)

Practice: What is the molar concentration of a hydrobromic acid solution if it takes 34.12 mL of HBr to completely neutralize 82.56 mL of 0.156 M Ca(OH)­2

2 HBr (aq) + Ca(OH)2 (aq)  → CaBr2 (aq) + 2 H2O (l)

Practice: Consider the following balanced chemical equation:

H2O+ 2 MnO4 + 3 SO32-  → 2 MnO2 + 3 SO42-+ 2 OH

How many grams of MnO2 (MW: 86.94 g/mol) will be created when 25.0 mL of 0.120 M MnO4 (MW: 118.90 g/mol) reacts with 32.0 mL of 0.140 M SO32- (MW: 80.07 g/mol).