Jawaban:
Penjelasan:
Mr Na2SO4 = 2(23)+32+4(16)
Mr Na2SO4 = 142
[tex]n = \frac{m}{Mr}[/tex]
[tex]m = n \times Mr[/tex]
[tex]m = V.M.Mr[/tex]
[tex]m = (0,1)(0,2)(142)[/tex]
[tex]m = 2,84 \ \text{g}[/tex]
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Jawaban:
Penjelasan:
Mr Na2SO4 = 2(23)+32+4(16)
Mr Na2SO4 = 142
[tex]n = \frac{m}{Mr}[/tex]
[tex]m = n \times Mr[/tex]
[tex]m = V.M.Mr[/tex]
[tex]m = (0,1)(0,2)(142)[/tex]
[tex]m = 2,84 \ \text{g}[/tex]