Mass of NaCl= 58.5g
Mass of Cl = 35.5g
(35.5/58.5)*100
= 60.68%
Answer:39.337% 60.663%:
Answer:
KNO3
Explanation:
6.02 x10^23 atom
3.5g x 1mol/63.55g Cu x 6.02 x 10^23/ 1mol=
3.32 x 10^22 atoms
A