Ask a New Question

Question

Q1.A compound of copper and sulphur is 65.43percent copper by mass.how many grams of copper can be obtained from 249g of this compound?and how many grams of sulphur remain?
14 years ago

Answers

DrBob222
Here is a worked example of a stoichiometry problem.
http://www.jiskha.com/science/chemistry/stoichiometry.html
But you can do it a lot faster another way.
249g copper sulfide x 0.6543 = g Cu that can be obtained.
S = 34.57 S and 249 x 0.3457 = g S in the 249 g.
14 years ago

Related Questions

In a certain compound of copper and oxygen, a sample weighing 0.5424 g contains 0.4831 g Cu. How ma... The compound copper(II) nitrate is a strong electrolyte. Write the reaction when copper(II) nitrate... In a certain compound of copper and oxygen, a sample weighing 0.5424g contains 0.4831 g of Cu. How m... Copper Oxide + Carbon -> Copper + Carbon Dioxide Calculate the mass of carbon needed to obtain 63... mix a copper compound with lemon juice, what are the reactions mix a copper compound with lemon juice how would you know if these reacted to form a new substance copper compound burns physical or chemical property or physical or chemical change A copper wire is made of copper (Cu) atoms. Which of the following best describes the copper atoms?... copper and copper alloy piping and tubing is not used in power plants when copper and copper alloy piping and tubing is not used in power plants when a. pressure is a prime...
Ask a New Question
Archives Contact Us Privacy Policy Terms of Use