A.2a | B.(2+
| C.
| D.(1+
|
a |
m |
sg |
100g |
100a |
s |
126 |
126+18×7 |
x |
2 |
x |
2 |
x/2 |
m+x/2 |
s |
100 |
100a |
s |
200a |
100-s |
A.20℃时,100g食盐溶液里含有10g食盐,所以20℃时食盐的溶解度为10g |
B.20℃时食盐的溶解度为36g,则100克饱和食盐水中含氯化钠36g |
C.50℃时氯化铵饱和溶液150g中,含氯化铵50g,则50℃时氯化铵的溶解度为50g |
D.100g的水中最多可溶解氯化钠36g,则氯化钠的溶解度为36g |
A.16g | B.20g | C.40g | D.56g |