﻿ 1.1 g of a sample of copper ore is dissolved and Cu2+ (aq) is treated with KI. The iodine thus liberated required 12.12 cm3 of 0.1 M Na2S2O3solution for titration. What is the percentage of copper in the ore? : Kaysons Education

1.1 G Of A Sample Of Copper Ore Is Dissolved And Cu2+ (aq) Is Treated With KI. The Iodine Thus Liberated Required 12.12 Cm3 of 0.1 M Na2S2O3solution For Titration. What Is The Percentage Of Copper In The Ore?

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Question

Solution

Correct option is

7%

The complete balanced equation for the redox reaction is

From the balanced equation, 2 moles of  reduce Cu2+ = 2 moles

.

SIMILAR QUESTIONS

Q1

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Q2

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Q3

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Q7

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Q8

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Q9

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Q10

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