Chemistry
Senior High
なぜこの下の数字になるのか教えてほしいです。
問題 209 e 219
(1) 2KI寺上Br 一つ 2KBr寺jp
ー1 0 -1 0
(2) SOz+HzO。 -つ HzS04
+4 ココ +6 8
(3) SO。+2HS 3S+2H2O0 | | |
+4 ー8 Ja pn
(4) 2Na+2HzO 語
0 +(呈還較
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