Chapter 1, Problem 38RGQ

### Chemistry & Chemical Reactivity

10th Edition
John C. Kotz + 3 others
ISBN: 9781337399074

Chapter
Section

### Chemistry & Chemical Reactivity

10th Edition
John C. Kotz + 3 others
ISBN: 9781337399074
Textbook Problem

# The platinum-containing cancer drug cisplatin (Study Question 35) contains 65.0 mass-percent of the metal. If you have 1.53 g of the compound, what mass of platinum (in grams) is contained in this sample?

Interpretation Introduction

Interpretation: The mass of platinum to be given.

Concept Introduction:

The mass percentage of compound can be calculated by taking the calculated mass of the substance to the total mass of the sample whole multiplied by 100.

The mass percent can be calculated with formula,

Masspercent(inpercentage)=Calculatedmass(ingrams)totalmass(ingrams)×100

Explanation

The mass of platinum is calculated as,

â€‚Â Given:Â massÂ percentÂ ofÂ PlatinumÂ metalÂ =Â 65%CalculateÂ massÂ ofÂ platinumÂ inÂ grams:_massÂ =Â 65Ã—â€‰1

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