Massa molekul relatif (Mr)dari senyawa (NH ⁴)² SO⁴ adalah....(Ar N=14, H=1,S=32 O=16

Mr = (2 x Ar N) + (8 × Ar H) + (4 x Ar O) + (1 x Ar S)
= (2 x 14) + (8 × 1) + (4 x 16) + (1 x 32)
= 28 + 8 + 64 + 32
= 132

jawabannya 132 ,, ada di gambar