化學
高中
求題目的過程與解答,問題四延續問題三,謝謝
Problem 3
Creating a 0.1 Normal Solution
Suppose you must determine the amount of hydrogen
halides (HCI, HBr and HF) in the flue gas leaving a
chemical reactor. The emission sampling train for
hydrogen halide determination calls for a total of 200
mL of 0.1 N H₂SO4 as an absorbing solution. The
absorbing solution will be located on the impingers of
the sampling train. How many grams of H₂SO4 should be
added to water to create 200 mL of a 0.1 N H₂SO4
solution?
> The chemical reaction of H₂O and H₂SO4 is as follows:
H₂SO4+H₂O 2H++SO₁²+H₂O
4
> Approximate atomic weights of elements:
H=1, S=32, O=16
Problem 4
Calculating the Molarity of a Solution
Calculate the molarity of the 0.1 N H₂SO4
solution described in Example Problem 3.
解答
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