Chemistry
Senior High
Resolved
化学基礎です。(6)、(7)が分からないので教えてください🙏🏻
問2 次の下線をつけた原子の酸化数を求めよ。
(2) HNO2
(1) 03
(5) Cr2O72-
(3)H3PO4 (4)CO22-
( 6) NH4NO3
(7) CuSO4
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