Questions LLC
Login
or
Sign Up
Ask a New Question
Science
Chemistry
Density and Percent Composition
An alloy of copper and gold displaces 1.935 cm^3 of water. It has a mass of 33.44g. If gold has a density of 19.3g/cm^3 and copper has a density of 8.9g/cm^3, what is the percent of gold by mass in the object?
1 answer
see other post.
You can
ask a new question
or
answer this question
.
Related Questions
There are two alloys consisting of zinc, copper and tin. The first alloy contains 25% zinc and the second alloy contains 50%
A piece of gold-aluminium alloy weighs 49N when suspended from a spring balance and submerged in water it weighs 39.2N what is
A silver-copper alloy had a mass of 0.1264g. When the alloy was dissolved in nitric acid and the silver precipitated as silver
A goldsmith has two gold alloys. The first alloy is 20% gold; the second alloy is 60% gold. How many grams of each should be
A piece of gold-alminium alloy weighs 49N. When suspended from a spring balance and submerged in water it weighs 39.2N. What is
Gold can be recovered from sea water by reacting the water with zinc, which is refined from zinc oxide. The zinc displaces the
A metalworker has a metal alloy that is 30% copper another alloy that is 70% copper. How many kilograms of each alloy should the
A metalworker has a metal alloy that is 25% copper and another alloy that is 75% copper. How many kilograms of each alloy
Anne and Nancy use a metal alloy that is 20.45% copper to make jewelry. How many ounces of a 12% alloy must be mixed with a 25%
The amounts by weight of gold, silver and lead in three alloys of these metals are in the ratio 1:5:3 in the first alloy, 2:3:4