Chemistry
Senior High
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なぜ上は0.15を15×10マイナス2乗にしてないのに、下は5.0×10マイナス3乗にしているのですか?
(2) 硫黄S4.8gの物質量
4.8g
=0.15 mol
32 g/mol
0.15
mol
(3) 鉄Fe0.28 gの物質量
0.28 g
O.
-0.0050 mol=D5.0×10-mol
56g/mol
5.0×10 3
mol
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