甲 |
乙 |
丙 |
丁 |
|
均匀研磨后的石灰石样品质量(g) |
10.0 |
10.0 |
10.0 |
10.0 |
盐酸的质量(g) |
20.0 |
30.0 |
45.0 |
50.0 |
剩余固体的质量(g) |
6.0 |
4.0 |
1.0 |
1.0 |
试问答: