May 2020 1 37 Report
Buatlah perhitungan guna menentukan berat dalam gram unsur nitrogen yang terdapat dalam 500 gram pupuk amonium sulfat (NH4)2SO4. Ada berapa persen nitrogen dalam zat tersebut! Jika Ar H = 1g/mol, N = 14g/mol, S = 32g/mol, O=16g/mol.

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