A 2.714 gram sample of a hydrate of sodium carbonate is placed in a test
tube and heated until the mass is constant. If the mass of the dry sodium
carbonate is 1.006 grams. What was the mass of water driven off and what
was the percentage of water in the hydrate?
Answers: 2
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Write a paragraph that provides examples of each stage of volcanic activity, a description of the volcano, and facts about each stage.
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Why is soap used to remove grease? a. its nonpolar end dissolves the grease. b. it makes the water bond with the grease. c. it chemically bonds with the grease. d. its polar end dissolves the grease.correct answer for apex - a, its nonpolar end dissolves the grease.
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Which of these conditions most likely produces an unstable isotope?
Answers: 2
A 2.714 gram sample of a hydrate of sodium carbonate is placed in a test
tube and heated until the...
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