Ahydrated form of copper(ii) sulfate, cuso4·nh2o(s), is heated to drive off all the waters of hydration. if we start with 9.40 grams of hydrated salt and have 5.25 grams of anhydrous cuso4(s) after heating, find the number of water molecules, n, as- sociated with each cuso4 formula unit.
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A0.10 m aqueous solution of sodium sulfate is a better conductor of electricity than a 0.10 m aqueous solution of sodium chloride. which of the following best explains this observation? (a) sodium sulfate is more soluble in water than sodium chloride. (b) sodium sulfate has a higher molar mass than sodium chloride. (c) to prepare a given volume of 0.10 m solution, the mass of sodium sulfate needed is more than twice the mass of sodium chloride needed. (d) more moles of ions are present in a given volume of 0.10 m sodium sulfate than in the same volume of 0.10 m sodium chloride. (e) the degree of dissociation of sodium sulfate in solution is significantly greater than that of sodium chloride.
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Ahydrated form of copper(ii) sulfate, cuso4·nh2o(s), is heated to drive off all the waters of hydrat...
Mathematics, 05.05.2020 01:33
History, 05.05.2020 01:33
Mathematics, 05.05.2020 01:33
History, 05.05.2020 01:33
History, 05.05.2020 01:33