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

write two inequalities to compare -2 and -18

(1×-10x)-(2x-5x) what's the answer to this math question

Roundup, an herbicide manufactured by Monsanto, has the formula C3H8NO5P. How many moles of molecules are there in a 525.0-g sample of Roundup?

carrie planted 48 tullips in 12 minutes how many tulips did she plant per mintue

what climate does costa rica have Tropical Climate Dry Climate Mild Climate Continental Climate Polar Climate Mountain Areas

is the equation true, false, or open ? 4y+8=6y+3

Find the quotient Write the remainder as a fraction 89,420÷27

find parametric equations for the tangent line at the point (cos(2π/6),sin(2π/6),2π/6) on the curve x=cost, y=sint, z=t x(t) = y(t)= z(t)= (your line should be

Is the answer to blank something is to destroy it completely, via?? via goes where blank is

Space in an art composition is divided into three main sections. What are these sections, and explain one technique that artists use to create space?