IB
IBO
Chemistry
May 2025
QP-202505-Chemistry-P1B(TZ1)-SL · Question 1
Question (excerpt):
08EP02 1. A student investigated the effect of concentration on the rate of reaction between sodium thiosulfate, Na2S2O3, and hydrochloric acid, HCl. Na2S2O3(aq) + 2HCl(aq) → S(s) + 2NaCl(aq) + SO2(g)…
08EP02 1. A student investigated the effect of concentration on the rate of reaction between sodium thiosulfate, Na2S2O3, and hydrochloric acid, HCl. Na2S2O3(aq) + 2HCl(aq) → S(s) + 2NaCl(aq) + SO2(g)…
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