A.0.04mol/L | B.0.08mol/L | C.0.4mol/L | D.0.8mol/L |
0.8mol/L×0.1L |
1L |
A.Mg的摩尔质量是24g |
B.摩尔是七个基本物理量之一,符号为mol |
C.同温同压下,所有气体的摩尔体积都相同 |
D.将40gNaOH溶于1L水中,所得溶液中NaOH的物质的量浓度为1mol/L |
A.此氨水中NH3的物质的量浓度近似为0.224mol•L-1 |
B.此氨水中NH3的物质的量浓度近似为10mol•L-1 |
C.此氨水中NH3的物质的量浓度近似为8.55mol•L-1 |
D.此氨水中NH3的质量分数为0.17 |
A.200mL,0.5mol•L-1的FeCl3溶液 |
B.100mL,0.5mol•L-1的MgCl2溶液 |
C.150mL,1mol•L-1的NaCl溶液 |
D.50mL,0.5mol•L-1的CuCl2溶液 |
A.200mL0.25mol/LNaCl溶液 |
B.200mL1mol/LNaCl溶液 |
C.100mL 0.5mol/LNaOH溶液 |
D.100mL1mol/LNa2CO3溶液 |
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