Question

Copper (Cu) is a transition element used in the making of coins. Calculate the mass, in grams, of 0.0420 moles of copper.

Answer 1

Answer:

2.66868g

Explanation:

GIVEN,

NO. OF MOLES = 0.0420

MOLAR MASS OF Cu = 63.54 u

MASS = MOLAR MASS x NO. OF MOLES

MASS = 63.54 u x 0.0420

= 2.66868 g

I HOPE THE ANSWER AND THE EXPLANATION HELPS YOU. :)