Answer to Question #251678 in General Chemistry for April

Question

2. An aqueous solution of NaOH can dissolve an aluminum sheet in the reaction:

2 Al +2 NaOH + 2Hà ƒ ƒ ƒ ¢ ‚ ‚0 -2 NaAlOà ƒ ƒ ƒ ¢ ‚ ‚ + 3Hà ƒ ƒ ƒ ¢ ‚ ‚

If 126.4 g of NaOH is 97.7 g of Al are made to react, a. How many moles of NaAlOà ƒ ƒ ƒ ¢ ‚ ‚ is produced if 126.4 g of NaOH reacts completely?

b. How many grams of NaAIO, is produced using the same amount of NaOH?

c. Which reactant is the limiting reagent? d. How many grams of the excess reagent is left?

Answer 1

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