Question

Cara menentukan massa molekul relatif asam dari HNO3 , HCL

Answer 1

Cari Ar masing masing-masing penyusunnya dulu

Ar H = 1
Ar N = 14
Ar O = 16
Ar Cl = 35,5

Mr HNO₃
= Ar H + Ar N + 3.Ar O
= 1 + 14 + 48
= 63  g/mol

Mr HCl
= Ar H + Ar Cl
= 1 + 35,5
= 36,5   g/mol