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Solution Stoichiometry

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Solution Concentration: Molarity What is the concentration of a solution made by dissolving 23.5 g NiCl 2 into a volume of 250 mL?

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Preparing Solutions: Direct Addition How many grams of NiCl 2 would you use to prepare 100 mL of a 0.300 M solution?

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Preparing Solutions: Dilution from a concentrated (stock) solution How many mL of a 2.60 M NiCl 2 solution would you use to prepare 100 mL of a 0.300 M solution?

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Titrations: The idea

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Titrations: This week’s lab Part 1. “Standardizing” a solution of base: 23.8 mL of an NaOH solution is used to neutralize 1.020 g H 2 C 2 O 4 -2H 2 O. What is the concentration of the NaOH solution?

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Titrations: This week’s lab Part 2. Determining the molar mass of an acid: 35.2 mL of the same NaOH solution is used to neutralize 1.265 g of an unknown diprotic acid. What is the molar mass of the acid?

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