Question

calcular a massa, em gramas, de 2,408.10 elevado a 25 átomos de cálcio.

Answer 1

2,408.10²⁵. 40= 6,02.10²³. x
x= 2,408.10²⁵.40÷6,02.10²³
x=96,32.10²⁵÷6,02.10²³
x=16.10²
x= 1600g

(dado cálcio=40 e 1 mol = 6,02.10²³)