1个110和9个0.1,组成1个1.
故答案为:×.
Lots of rescue workers were working around the clock, _____ supplies to Yushu, Qinghai Province after
the earthquake. [ ]
A. sending
B. to send
C. having sent
D. to have sent
图1是铜锌原电池示意图。图2中,x轴表示实验时流入正极的电子的物质的量,y轴表示()。
A.铜棒的质量
B.c(Zn2+)
C.c(H+)
D.c(SO42-)