Chemistry
Senior High
(1) (5) (6)の答えを教えてください!
次のイオンや物質の式量を求めよ。
(1) 硫化物イオン S- (2) アンモニウムイオォン NH
(3) 硝酸イオン NO。- (4) 炭酸カルシウム CaCO。
(5) 水酸化カルシウム Ca(OH)。 (6) 鉄Fe
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