August 2018 1 45 Report
Hitunglah pH larutan :
a). larutan 3,7 gram Ca(OH)₂ dalam 10 liter air. (Ar H=1 ,O=16,Ca=40)
b). satu mL H₂SO₄ 0,1 M dilarutkan dalam 1 liter air
c). larutan H₂SO₄ pekat 98% sebanyak 1,8 kg  L^{-1} dilarutkan dalam 200mL air..

tlong utk segera dijawab..
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