Answers

✨ Best Answer ✨

有効数字の桁数ですね.
(1)は1.0[mol]なので2桁 (2)は1.00[mol]なので3桁 
(4)は22[g]なので2桁.
5.0*10^(-1)[mol]か0.50[mol][整数部が0の場合は小数点以下の桁数が有効.]と答えるべきでしょう.

Post A Comment
Were you able to resolve your confusion?

Users viewing this question
are also looking at these questions 😉