Hóa học Lớp 8: tinh khoi luong bang gam cua mot phan tu nacl biet khoi luong cua mot nguyen tu c la 1,9926.10^-23 gam
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TRẢ LỜI ( 2 )
$1,6605 . 10^{-24} . 58,5 = 9,713925 . 10^{-23}g$