Jika 38 gram MgSO4.xH2O dopanaskan,akan memperoleh 20 gram MgSO4 harga x adalah...
a.2
b.3
c.4
d.5
e.6
a.2
b.3
c.4
d.5
e.6
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massa MgSO₄.xH₂O = 38 gram
massa MgSO₄ = 20 gram
massa H₂O = 38 - 20 = 18 gram
Mr H₂O = 18
x = massa H₂O / mr H₂O
= 18 / 18
= 1
maaf tidak ada di pilihan