Jawapan

2016-02-11T23:15:56+08:00
- H2O = 1(2) + 16
           = 18

-O2 = 2(16)
        = 32

-NH3 = 14 + 1(3)
          = 17

-NaCl = 23 + 35.5
           = 58.5

-K2O = 2(39) + 16
          = 94

*kalau ada salah bagitahu laju2
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