Grams → Mole cules
15.42 grams of Cu2 0 .
manleculea?
1.15.42gmans 〒1430320.11 mel
2. 0.11 md x 6.02x 1023= 6.62x102 mdrute
6.02623
Molecules
→ Grams
3.98 x/029 maleutes
1.3,98 x1029 = 6.022x1023= 460,910 mates
2.660,910818.02=1,909,598.149
Coz0:(63,55x2) +15.99
= 143.03 ₴1
H20=(2x1.0)+15,94
=18.02 ndl