Question

Napisz wzór, którego masa cząsteczkowa wynosi 128u.

Answer 1

C[n]H[2n+2]
m[c]*n+m[H]*(2n+2)=128u
12u*n+1u*2n+2u=128u
12un+2un=128u-2u
14un=126u
n=9

Answer 2

C[n]H[2n+2]
m[c]*n+m[H]*(2n+2)=128u
12u*n+1u*2n+2u=128u
12un+2un=128u-2u
14un=126u
n=9