May 2021 0 46 Report
Jika massa 1 atom C-12 adalah 1,99 10 – 23 g dan Ar X =60, maka massa rata2 1 atom X adalah ….. a.9,95.10 –23 g

b.1,19.10 –22 g

c.3,02.10 –22 g

d. 2,39.10 –24 g

e. 3,98.10 –24 g


tolongg bantu kak mau kumpulin sekarang:((​

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