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Calculate the mass (include units) of the unknown sample to produce 250 mL of a solution at about [Ca2+] = 0.005 M. Assume that the weight percent of CaCO3 in the unknown is 50%
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Silver nitrate has the molecular formula AgNO3. In a 109.0 g sample of silver nitrate, how much of that mass (in g) is from the silver atoms?
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A student weighed out 1.74 grams of sodium hydroxide pellets andadded them to 48.0 grams of water in a calorimeter. Extrapolatingback to the time of mixing yielded a temperature change at the timeof mixing equal to 9.20 ...
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