Whion is a correct step in a scientific experiment involving acids and bases?
Mixing two acids to form a neutral solution.
Using an indicator to measure the hydrogen ion concentration of a solution.
Pouring acid onto an indicator to measure the pH of the indicator.
Dissolving an indicator in an acidic solution to increase its pH.
Answers: 2
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Compare and contrast physical changes with chemical changes.
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An alloy contains 66 g of pure zinc. what is the percentage of zinc in the alloy? express your answer to two significant figures and include the appropriate units.
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Asample of tin (ii) chloride has a mass of 0.49 g. after heating, it has a mass of 0.41 g. what is the percent by mass of water in the hydrate? %
Answers: 1
Whion is a correct step in a scientific experiment involving acids and bases?
Mixing two acids to f...
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