nayeligarmendia13 nayeligarmendia13
  • 16-12-2019
  • Chemistry
contestada

what is the mass of calcium in 2.3•10^23 molecules of calcium phosphate

Respuesta :

shakha2017
shakha2017 shakha2017
  • 16-12-2019

Explanation:

N(Ca)=3×N(Ca₃(PO₄)₂)=

=3×2.3×10²³=6.9×10²³

6.02×10²³→40g

6.9×10²³→Xg

m(Ca)=X≈45.85g

Answer Link

Otras preguntas

1. Qué aprendí sobre el sistema Excretor Humano? 2. Qué aprendí sobre el sistema Excretor de los Animales? 3. Qué aprendí sobre el sistema Excretor de las Plant
Who or what would make you confident and believe you can do the impossible? Be honest or tell me why you are confident in another way
What is the slope of the given graph?
Choose the repeating decimal that is equal to the fraction on the left. 0.17 0.351 0.17 0.351 0.351 58 165 79 225 13 37 ОО ОООО 8 45 ООО 17 99
I need help! Pls help!!!
What does labeling a problem mean?
Functions (solid) and g(dash) are graphed. What is the equation of g?
Pls help me guys!Which of the four pairs shown below are INVERSELY proportional? Select ALL of the correct answers.1 : The number of lights switched on and the
. Please help Add or subtract.
In triangle ABC, the length of side AB is 12 inches and the length of side BC is 17 inches. Which of the following could be the length of side AC? A. 3 inches