Using the relative atomic weights of both copper and sulfur ie copper = 63.55 and sulfur is 32.06 so 63.55+32.06=95.56 total mass and so of this, copper = 63.55/95.56=66.4%. So to get 10 grams of copper, use the formula 10g=66.4%xCuS so CuS=10/0.664=15.06 grams of CuS.
The question is cut off in the picture
It’s called Diethyl ether so I think the answer is D
Answer:
D
Explanation:
I think but it is an better attempt than the other guy answer.
