17 [反応式の係数] 次の化学反応式の係数を求めよ。 係数が1の
場合も1と記入せよ。
(1) ( )Cl₂ + ( )KI → ( )I₂ + ( )KCI
(2) ( )SO₂ + ( )0₂ → ()SO3
(3) () H₂O₂ →→ ()H₂O + ( )0₂
(4) () Cu + ( )H₂SO4
→ () CuSO4 + ( )SO₂+( )H₂O
(5) ()AL+ ( )HCI → ()AICI 3 + ( )H₂
(6) () FeS₂ + ( )02 → ()Fe₂O3 + ( )SO2
->
(7) ( )Cu+( )HNO3
→ ( )Cu(NO3)2+( )H₂O+( )NO₂
(8) ( )Cu +( )Ag+ ( )Cu²+ +( )Ag
(9) ( )H₂O2 + ( )H+ + ( )I¯ → ()H₂O + ( )I₂
->
(10) () Cr³+ +( )OH+ ( )H₂O2
( )CrO4²- + ( )H₂O
->
7, H=1.0, C = 12, N = 14, O = 16, Na = 23, Mg = 24, Al = 27, S = 32, CI =
35.5, Ca=40, Cu=64, また, アボガドロ定数=6.0×1023/molとして, 計算せよ。 なお、標
準状態とは0℃, 1.013 × 10 Paの状態をいう。
