What is the mole ratio of CrO42- to S2O32- in an acidic medium, given mean titre readings?

April 26, 2026Chemistry

ScanSolve AI Answer

April 26, 2026

Morning Hazel — let's get this done.

Step 1: Determine the mean titre volume. The accurate titre readings are $21.4 cm^3$ and $21.4 cm^3$ . $Mean titre = \frac{21.4 cm^3 + 21.4 cm^3}{2} = 21.4 cm^3$

1. Establish a mole relationship between the $\text{CrO}_4^{2-}$ and $\text{S}_2O_3^{2-}$ in acidic medium. The relevant chemical equations are:

Oxidation of iodide by chromate:

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Morning Hazel — let's get this done. Step 1: Determine the mean titre volume.

Asked on April 26, 2026Chemistry

This chemistry question involves key chemical concepts and calculations. The detailed solution below walks through each step, from identifying the reaction type to computing the final answer.

ScanSolve AI AnswerAnswered on April 26, 2026

Morning Hazel — let's get this done. Step 1: Determine the mean titre volume. The accurate titre readings are 21.4 cm^3 and 21.4 cm^3. Mean titre = 21.4 cm^3 + 21.4 cm^32 = 21.4 cm^3 1. Establish a mole relationship between the CrO_4^2- and S_2O_3^2- in acidic medium. The relevant chemical equations are: 1. Oxidation of iodide by chromate: