DP Chemistry (last assessment 2024)
Question 18M.3.sl.TZ2.18b
| Date | May 2018 | Marks available | [Maximum mark: 1] | Reference code | 18M.3.sl.TZ2.18b |
| Level | sl | Paper | 3 | Time zone | TZ2 |
| Command term | Calculate | Question number | b | Adapted from | N/A |
b.
[Maximum mark: 1]
18M.3.sl.TZ2.18b
Excess acid in the stomach is often treated with calcium carbonate.
(b)
Calculate the amount, in mol, of stomach acid neutralized by an antacid tablet containing 0.750 g calcium carbonate.
[1]
Markscheme
« =» 0.0150 «mol HCl»
[1 mark]
