Gold is alloyed (mixed) with other metals to increase its hardness in making jewellery. Consider a piece of gold jewellery that weighs 12.0 g and has a volume of 0.675 cm3. The jewellery contains only gold and silver, which have densities of 19.3 g/cm3 and 10.5 g/cm3, respectively. Assuming that the total volume of the jewellery is the sum of the volumes of the gold and silver that it contains, calculate the percentage of gold (by mass) in the jewellery.
Gold is alloyed (mixed) with other metals to increase its hardness in making jewellery. Consider a piece of gold jewellery that weighs 12.0 g and has a volume of 0.675 cm3. The jewellery contains only gold and silver, which have densities of 19.3 g/cm3 and 10.5 g/cm3, respectively. Assuming that the total volume of the jewellery is the sum of the volumes of the gold and silver that it contains, calculate the percentage of gold (by mass) in the jewellery.
Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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Gold is alloyed (mixed) with other metals to increase its hardness in making jewellery. Consider a piece of gold jewellery that weighs 12.0 g and has a volume of 0.675 cm3. The jewellery contains only gold and silver, which have densities of 19.3 g/cm3 and 10.5 g/cm3, respectively. Assuming that the total volume of the jewellery is the sum of the volumes of the gold and silver that it contains, calculate the percentage of gold (by mass) in the jewellery.
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