October 2018 1 35 Report
Selmat sore kakak", bantuin ngerjain tugas ila ya, buat besok kak :-) mohon kerja samanya
1. Sebanyak 20 ml larutan NH3 0,3 M (kb = 10 pangkat min 3 mol/L) dicampur dengan 40 ml larutan HCL 0,1 M. PH campuran larutan tersebut adalah ...
(log 5 = 0,699 ; log 2 = 0,31)
2. Sebanyak 4,48 L gas karbon dioksida ( 0 derajat celcius = 1 atm ) di alirkan ke dalam larutan kalsium hidroksida 3 M yg mempunyai volume 100 ml. Endapan yg terjadi sebanyak ... gr
(Ar Ca = 40 ; C = 12 ; O =16)
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