摘要:8.将30mL 0.5mol/L NaCl溶液加水稀释到500mL.稀释后溶液中NaCl的物质量浓度为( ) A.0.03mol/L B.0.3mol/L C.0.05mol/L D. 0.04mol/L
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将30mL 0.5mol/L NaCl溶液加水稀释到500mL,稀释后溶液中NaCl的物质量浓度为( )
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| A.0.03mol/L | B.0.3mol/L | C.0.05mol/L | D.0.04mol/L |
将30mL 0.5mol/L NaCl溶液加水稀释到500mL,稀释后溶液中NaCl的物质量浓度为( )
A.0.03mol/L
B.0.3mol/L
C.0.05mol/L
D.0.04mol/L
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A.0.03mol/L
B.0.3mol/L
C.0.05mol/L
D.0.04mol/L
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