Copper sulfide is formed when copper and sulfur are heated together. In this reaction, 127 g of copper reacts with 41 g of sulfur. After the reaction is
complete, 9 g of sulfur remains unreacted. What is the mass of copper sulfide
formed?

a saline water is fed to a reverse osmosis unit at flow rate o rotameter connected to reject (retentate) line reads 8 installed in reject and permeate line reads 15.2 milli siemens/cm and 300 micro siemens/com respectively.

answer: mole of the gas

answer: mole of the gasexplanation:

answerlinnaeus;