chemistry problem..help pleaz!
1个回答

ok...let me think about it~

the solution will be:

[($3.49/120) / 0.75Mx(8.2x 10的负三次方L)]

the answer will be:#1,4.73 #2,3.48...

is that ok?负三次方我不知道怎么打~sorry about that~

希望我的答案你还满意~