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

Answer Link

Otras preguntas

Who is Henry ford and Albert Einstein
In an effort to protect themselves, all of the kingdoms of Sumer built __________ outside their cities.A.large moatsB.deep trenchesC.massive wallsD.watch towers
Water that travels across land may pick up substance and become ....?
An ambulance driving with velocity v/8 where v is the speed of sound, emits a siren with a frequency of . What is the frequency heard by a stationary observer t
4x + 12 = -7y -y + 12 = 4x Solve with elimination
are wolf's carnivore omnivore herbivore
What is a equivalent fraction for 2/8
Who is Henry ford and Albert Einstein
What insights does the poem "The Wife's Lament" give you into Anglo-Saxon bonds of kinship, the importance of loyalty, and the role of women?
what is 75 degrees Fahrenheit in the Celsius and kelvin scale?