Chemistry, 08.03.2021 14:00 Brittany0512
Given that the molar mass of NaCl is 58.44 g/mol, what is the molarity of a solution that contains 87.75 of NaCl in 500. mL of solution?
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The crust of earth may a- continets and ocean floors. b-continents only. c-layers of sedimentary rocks and continents. d-all of the above
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21. consider the following chemical reaction: n2+ o2 2 no if 10.0 g of n2 reacts with excess oxygen then how many grams of no can be formed? a) 10.7 g b) 21.4 g c) 32.9 g d) 42.8 g page 4 of 8
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Air can be considered a mixture. which statement does not explain why?
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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? %
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Given that the molar mass of NaCl is 58.44 g/mol, what is the molarity of a solution that contains 8...
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