DP Chemistry (first assessment 2025)

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Question EXM.1B.HL.TZ0.i

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Date May Example question Marks available [Maximum mark: 1] Reference code EXM.1B.HL.TZ0.i
Level HL Paper 1B Time zone TZ0
Command term Estimate Question number i Adapted from N/A
i.
[Maximum mark: 1]
EXM.1B.HL.TZ0.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

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