Answer to Question #69025 in General Chemistry for LC

Question #69025
Assign an oxidation number to each element in the reaction.

CaF2(s) + H2SO4(aq) → CaSO4(aq) + 2HF(g)

In CaF2, the oxidation number of Ca is
, and that of F is
. In H2SO4, the oxidation number of H is
, that of S is
, and that of O is
. In CaSO4, the oxidation number of Ca is
, that of S is
, and that of O is
. In HF, the oxidation number of H is
, and that of F is
.
1
Expert's answer
2017-06-26T11:37:07-0400
In CaF2, the oxidation number of Ca is +2
, and that of F is -1
. In H2SO4, the oxidation number of H is +1
, that of S is +6
, and that of O is -2
. In CaSO4, the oxidation number of Ca is +2
, that of S is +6
, and that of O is -2
. In HF, the oxidation number of H is +1
, and that of F is -1

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Comments

allah
15.04.18, 19:56

gg thx

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