am4201541 am4201541
  • 07-03-2021
  • Chemistry
contestada

I need help please!!!

I need help please class=

Respuesta :

samihaela samihaela
  • 07-03-2021

Answer:

51.3% Ca     48.7% F

Explanation:

MM  CaF2 = 40.1+2x19 = 78.1 g/mol

MM Ca = 40.1 g/mol

MM F = 19 g/mol

% Ca = (40.1/78.1) x 100 = 51.3% Ca

% F = 100-51.3 = 48.7% F

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