Calculating A chemist prepares a solution of calcium sulfate (CaSO) by measuring out 0.79 g of calcium sulfate into a 450. mL volumetric flask and filling the flask to the mark with water. Calculate the concentration in mol/L of the chemist's calcium sulfate solution. Round your answer to 2 significant digits.

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Q: Target NO:(g) + H2(g) = NO(g) + H20(g) Reaction A 2NO2(g) = 2NO(g) + O2(g) Kc = 1.45 x 10-6 at 500 K…

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Q: Which of the following combinations can be used to make buffer? A. 0.50M Hf and 0.20 M NaF B. 0.50 M…

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Q: HO CN H30*, A е. CH;CH2OH f. HO. H* H3O* g. N- Ph3P OCH3 h.

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