" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
M = n/v = 2,5 . 10^-9 / 5.10^-10 = 5. 10^-9 M
mol = M.V= 5.10^-9 . 5.10^-1 = 25. 10 ^-10 mol
mol = massa / Mr
massa = mol . Mr = 25 . 10 ^-10 x 100 = 25 . 10^-8 gram
M = n/v = 2,5 . 10^-9 / 5.10^-10 = 5. 10^-9 M
mol = M.V= 5.10^-9 . 5.10^-1 = 25. 10 ^-10 mol
mol = massa / Mr
massa = mol . Mr = 25 . 10 ^-10 x 100 = 25 . 10^-8 gram