Gold is alloyed with other metals to increase its hardness in making jewelry. You have a piece of jewelry containing only gold and silver, which have pure densities of 19.3 g/cm³ and 10.5 g/cm³ respectively. You measure the piece of jewelry's volume to be 1.25 cm³ and its mass to be 19.1 g. Assuming the total volume of the jewelry is the sum of the volumes of the gold and silver it contains, what is the mass percent of gold in the piece?
Gold is alloyed with other metals to increase its hardness in making jewelry. You have a piece of jewelry containing only gold and silver, which have pure densities of 19.3 g/cm³ and 10.5 g/cm³ respectively. You measure the piece of jewelry's volume to be 1.25 cm³ and its mass to be 19.1 g. Assuming the total volume of the jewelry is the sum of the volumes of the gold and silver it contains, what is the mass percent of gold in the piece?
Chemistry: Principles and Practice
3rd Edition
ISBN:9780534420123
Author:Daniel L. Reger, Scott R. Goode, David W. Ball, Edward Mercer
Publisher:Daniel L. Reger, Scott R. Goode, David W. Ball, Edward Mercer
Chapter1: Introduction To Chemistry
Section: Chapter Questions
Problem 1.97QE: Gold leaf, which is used for many decorative purposes, is made by hammering pure gold into very thin...
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Gold is alloyed with other metals to increase its hardness in making jewelry. You have a piece of jewelry containing only gold and silver, which have pure densities of 19.3 g/cm³ and 10.5 g/cm³ respectively. You measure the piece of jewelry's volume to be 1.25 cm³ and its mass to be 19.1 g. Assuming the total volume of the jewelry is the sum of the volumes of the gold and silver it contains, what is the mass percent of gold in the piece?
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