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

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

an electrically neutral atom of gallium has 31 electrons and 39 neutrons. what is the mass number for an atom of gallium

A television game has 6 shows doors, of which the contests must pick 2. behind two of the doors are expensive cars, and behind the other 4 doors are consolation

What is the slope of the line represented by the equation y = – – 5x?

What is 133 1/3% as a frcation?

If u=f(x,y) where x=(e^s)(cos(t)) and y=(e^s)(sin(t)), show that (du/dx)^2 + (du/dy)^2 = (e^(-2s))((du/ds)^2+(du/dt)^2)) ...?

You will write the paragraph on "The Stone" in your on word. include 1.Indentify the theme of the story in your topic sentence.2.Include several supporting deta

What is the volume of a pyramid with slant height 25ft and base edges 14ft? a) 1,633 ft3 b) 1,568 ft3 c) 2,352 ft3 d) 2,450 ft3

The manager of a 100-unit apartment complex knows from experience that all units will be occupied if the rent is $800 per month. A market survey suggests that,

what are three equivalent ratios to 18/6

18/5 in its simplest form