Chemistry
Senior High
Resolved
有効数字
❻は、なぜ4桁で⭕️なんですか?
「塩化アルミニウム AICl3のモル質量は何g/molか。
AICl3=27+35.5×3=133.5 133.5g/mol
8/15
×モル質量
×22.4
mol
L
1桁でOK
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ありがとうございました♪