October 2018 1 22 Report
Tentukanlah jumlah masing-masing atom penyusun dari setiap zat berikut beserta jalannya
a.7,8 gram K(Ar K =39)
b.3,1 gram P4(Ar P = 31 )
c.4,9 gram H2SO4(Ar H = 1; S = 32; O =16)
d.10 gram CaCO3 (Ar Ca = 40 ; C =12)
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