問答題
試將30.0g蔗糖(C12H22O11)試樣,配成下列各種溶液:
(1)ρ(C12H22O11)=105g·L-1
(2)c(C12H22O11)=0.10mol·L-1
(3)b(C12H22O11)=0.10mol·kg-1
(4)x(C12H22O11)=0.0186 應(yīng)怎樣配制?