Small Samples of Oxygen Gas Needed in the Laboratory Can

question 87

Multiple Choice

Small samples of oxygen gas needed in the laboratory can be generated by any number of simple chemical reactions, such as 2 KCl (s) → 2 KCl (s) + 3 (g)
What mass of oxygen (in grams) is produced when 122.6 g of KCl (formula mass = 122.6 amu) takes part in this reaction?

• A)32.00 grams
• B)48.00 grams
• C)96.00 grams
• D)More information is needed.

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