DP Chemistry (first assessment 2025)
Question EXM.1B.SL.TZ0.2di
Date | May Example question | Marks available | [Maximum mark: 1] | Reference code | EXM.1B.SL.TZ0.2di |
Level | SL | Paper | 1B | Time zone | TZ0 |
Command term | Estimate | Question number | i | Adapted from | N/A |
i.
[Maximum mark: 1]
EXM.1B.SL.TZ0.2di
(i)
Estimate the % change in ascorbic acid concentration when stored for 3 days storage at 5 °C and 20 °C.
[1]
Markscheme
Δ % = «95.5 - 50.0/95.5 × 100»= 47.6 % ✔
Accept calculations using line equation
