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You measure the final mass of a product as {x}. The theoretical yield was {y}. What is the percent yield of the product? Give your answer to 1 decimal place.

You add {x} grams of anhydrous magnesium sulfate to {y} grams of sodium carbonate. What is the theoretical yield of the solid precipitate product? Give your answer to 3 decimal places

What was the purpose of adding acetic acid to the copper redox reaction?

You add a solution of sodium chloride to a solution of a soluble unknown ionic compound. After mixing, you observe a precipitate product. Which of the following could be the identity of the unknown ionic compound?