Treatment of a 0.2500-g sample of impure potassium chloride, KCI (74.551 g/mol) with an excess of AgNO3 (169.87 g/mol) resulted in the formation of 0.2912 g of AgCl (143.32 g/mol). Calculate the: a. mass in grams of KCI in the sample

Treatment of a 0.2500-g sample of impure potassium chloride, KCI (74.551 g/mol) with an excess of AgNO3 (169.87 g/mol) resulted in the formation of 0.2912 g of AgCl (143.32 g/mol). Calculate the: a. mass in grams of KCI in the sample

Living by Chemistry

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ISBN:9781464142314

Author:Angelica M. Stacy

Publisher:Angelica M. Stacy

ChapterU4: Toxins: Stoichiometry, Solution Chemistry, And Acids And Bases

Section: Chapter Questions

Problem 18STP

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Concept explainers

Mole Concept

Mole concept is a method to determine the amount of any substance that consists of some elemental particles using a grouping unit called ‘mole’. The mole concept enables one to handle the large amount of small elementary particles. The mole concept can be used in many calculations related to mole calculation, molar amount, mole ratio, and so on, which are significant in chemistry.

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Treatment of a 0.2500-g sample of impure potassium chloride, KCI (74.551 g/mol) with an excess of
AgNO3 (169.87 g/mol) resulted in the formation of 0.2912 g of AgCl (143.32 g/mol). Calculate the:
a. mass in grams of KCI in the sample

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