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Anton [14]
3 years ago
11

PLEASE HELP ME ITS DUE TODAY!!!

Chemistry
2 answers:
katovenus [111]3 years ago
7 0
D. African plate I gave you true answer
vova2212 [387]3 years ago
5 0
D. The African Plate
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A sample of a chromium-containing alloy weighing 3.450 g was dissolved in acid, and all the chromium in the sample was oxidized
Zina [86]

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H_2O + 2CrO_4^2- + 3SO_3^2- -> 3SO_3^2- + 2CrO_2^- + 2OH^-

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H_2O + 2CrO_4^2- + 3SO_3^2- -> 3SO_3^2- + 2CrO_2^- + 2OH^-

 

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3 years ago
The acid dissociation constant for boric acid, h3bo3, is 5.8 x 10-10. calculate the dissociation constant, kb , of the hydrogen
Dmitriy789 [7]
The answer is 5.8x10^-10. I did the math and checked other sources as well.
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