kaeladicristofano kaeladicristofano
  • 21-07-2017
  • Chemistry
contestada

what is the molecular formula of the compound whose molar mass is 120.0 g/
mol and empirical formula is SiO2

Respuesta :

dec77cat dec77cat
  • 21-07-2017
M=120.0 g/mol

M(SiO₂)=A(Si) + 2A(O)
M(SiO₂)=28+2*16=60 g/mol

N=M/M(SiO₂)
N=120.0/60=2

(SiO₂)₂  or  Si₂O₄


Answer Link

Otras preguntas

Can u please answer this question. THIS IS URGENT Can u guys do question 23
a patient that's deceased would be considered
A leprechaun places a magic penny under a​ girl's pillow. The next night there are 2 magic pennies under her pillow. The following morning she finds four pennie
A student concluded that the solution to the equation sqrt2x+1 +3=0 is x=4. Do you agree? Why or why not?
how do i get around goguardian from a chromebook
which analogy shows a synonym to antonym relationship​
On the local swim team 6 members each swam 1,695 meters during the season how many total kilometers did the 6 members during the season?
Solve for x: 70= -5 (2x+6
Find the x-intercept, y-intercept, and the slope for the linear equation: 2x-5y=10
A set of equations is given below Equation C: y=2x + 6 Equation D: y=2x + 2 Which of the following best describes the solution to the given set of equations? On