224L |
22.4L/mol |
635mL水的质量为635mL×1g/mL=635g,故溶液的质量为:635g+365g=1000g,
故所得盐酸的体积=
1000g |
1200g/L |
5 |
6 |
10mol | ||
|
取出上述溶液10mL,稀释至60mL,稀释后溶液物质的量浓度为
12mol/L×10mL |
60mL |
故答案为:2mol/L;
(2)取(1)所配制的稀盐酸50mL,n(HCl)=0.05L×2mol/L=0.1mol,反应后最终溶液为NaCl溶液,溶液中n(Na+)=n(NaCl)=n(HCl)=0.1mol,
故答案为:0.1mol.