Question

me ajuda responder ai​

Answer 1

Resposta:

a)C2H6

12×2+6=

24+6=30 u

b)H2SO4

2+32+16×4=

2+32+64= 98 u

c)NO2

14+ 16×2=

14+32= 46 u

d)MgCl2

24+71=. 95 u

e)Ca(OH)2

40 +16×2+ 1×2=

40+ 32+2=74 u

f)Al2(SO4)3

27×2+32×3+ 16×12=

54+ 96+ 192=242 u