What is the fraction of association ( α ) for each potassium propionate solution? the k a of propanoic acid is 1.34 × 10 − 5
(a) 5.00 � 10-1 m k(c2h5co2) fraction of association (alpha) = ?
(b) 5.00 � 10-2 m k(c2h5co2) fraction of association (alpha) = ?
(c) 5.00 � 10-12 m k(c2h5co2) fraction of association (alpha) = ?

One of the reactions in a blast furnace used to reduce iron is shown above. how many grams of fe2o3 are required to produce 15.5 g of fe if the reaction occurs in the presence of excess co? a.11.1 g b.22.1 g c.30.0 g d.44.2 g

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Achemistry student needs to standardize a fresh solution of sodium hydroxide. he carefully weighs out of oxalic acid , a diprotic acid that can be purchased inexpensively in high purity, and dissolves it in of distilled water. the student then titrates the oxalic acid solution with his sodium hydroxide solution. when the titration reaches the equivalence point, the student finds he has used of sodium hydroxide solution. calculate the molarity of the student's sodium hydroxide solution. be sure your answer has the correct number of significant digits.