If 0.015 mg Pb2+ were added to enough water to make exactly 1 L of solution, the solution would be?问题应该是这样的：the solution would be（ ） in Pb2+选项是： a. 7.2x10-3 b. 1.5x10-5 c. 7.2x10-8 d. 1.5x10-8

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If 0.015 mg Pb2+ were added to enough water to make exactly 1 L of solution, the solution would be?问题应该是这样的：the solution would be（ ） in Pb2+选项是： a. 7.2x10-3 b. 1.5x10-5 c. 7.2x10-8 d. 1.5x10-8

If 0.015 mg Pb2+ were added to enough water to make exactly 1 L of solution, the solution would be?问题应该是这样的：the solution would be（ ） in Pb2+选项是： a. 7.2x10-3 b. 1.5x10-5 c. 7.2x10-8 d. 1.5x10-8
If 0.015 mg Pb2+ were added to enough water to make exactly 1 L of solution, the solution would be?
问题应该是这样的：the solution would be（ ） in Pb2+
选项是：
a. 7.2x10-3
b. 1.5x10-5
c. 7.2x10-8
d. 1.5x10-8
e. 7.2x10-5
f. 7.2x103
g. 0.015 M
谁可以告诉我解答过程？谢～

If 0.015 mg Pb2+ were added to enough water to make exactly 1 L of solution, the solution would be?问题应该是这样的：the solution would be（ ） in Pb2+选项是： a. 7.2x10-3 b. 1.5x10-5 c. 7.2x10-8 d. 1.5x10-8
0.0015*10^(-3)/207.2=7.2*10^(-8)mol
由于容易体积为1L
那么Pb2+离子浓度为7.2*10^(-8)mol/L

If 0.015 mg Pb2+ were added to enough water to make exactly 1 L of solution, the solution would be?问题应该是这样的：the solution would be（ ） in Pb2+选项是： a. 7.2x10-3 b. 1.5x10-5 c. 7.2x10-8 d. 1.5x10-8 Wer ist wer bist wer是什么? 什么是WER wer sucht,wer findet是谁说的 德语 wer bist du 德语 wer liebe lebt wer bistn du,是什么意思? wer bisten du, wer bistn du? 求一首歌,歌词唱的是,喂wer喂wer喂wer喂wer,rea热go. wer 在放射学里 hey wer u . 英语翻译而0.4、0.8、1.2mg/L的镧离子（La3）+中,尤以浓度为0.8mg/L的La3+促进种子萌发的效果最佳且对根尖细胞无毒害作用,选择0.8mg/L的La3+与铅离子（Pb2+）复合可减轻Pb对蚕豆根尖造成的毒害. Wer kaempft,kann verlieren,wer nicht kaempft,hat schon verloren. pbo2+cr3+--(cr2o7)2- +pb2+配平 One for da Money的歌词wer