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isbella29
07.07.2019 •
Mathematics
Una gota de agua de 0,065 g contiene 2,174 . 10^21 moléculas.¿cuántas moléculas habrá en un vaso que contiene 200g de agua? ¿cuál será la masa de un depósito que contiene 1,271 . 10^28 moléculas?
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Ответ:
el peso molecular del agua es 18 gramos. (H2O).
En 18 gr de agua existen6.023 x 10*23 moléculas.
En 0.065 gramosX
X= 0.065 x 6.023 x 10*23/ 18=
R/. 2.174 x 10*21 (a la 21) moléculas de agua en una gota
Ответ:
a
Step-by-step explanation:
just did it on edge