Chemistry
Senior High
naohの分子量40とする。
naohの0.40％（w/v）水溶液、2.00L中のnaohのモル量を求めなさい。
答0.20mol
何故このようになるのですか？
0.4% w/v
408
=
100ml
40g: 100ml = x=2000
800g
408/201
11
10x=8000
: x = 800 g
20 mol
40g: xg = 100ml: 2000
x = 8009
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