hilby1748 hilby1748
  • 03-10-2017
  • Chemistry
contestada

What is the mass of 10 molecules of nitrogen dioxide, no2, in g? use 3 sig. fig?

Respuesta :

kritter1
kritter1 kritter1
  • 03-10-2017
Find the molecules in moles. 

10/(6.02 x 10^23) = 1.66 x 10^-23 moles 

mass = moles x molar mass 

m= 1.66 x 10^-23 moles x 46 g mol^-1

m= 7.64 x 10^-22 grams 

Hope I helped :) 


Answer Link

Otras preguntas

What are the purposes of a prologue in a play?
Simplify the expression. 12k2 + 8k2
BEST ANSWER GETS TO BE BRAINLYEST!!! Many changes take place in a mother and child during the first six weeks after birth. What is this period of adjustment cal
What are the real zeros of the function g(x) = x3 + 2x2 − x − 2?
Which text contains laws that regulate almost every aspect of a Muslim’s life? A. Ten Commandments B. Book of Kells C. Qur'an D. Torah
HELP ME PLEASE!!!!!!!!!!!!!!!!!! find all real numbers x such that 3x-4<5 or -8x-19<21
What types of bonds are present in this molecule?
A circle has a radius of 6 in. What is the exact length of an arc formed by a central angle measuring 45°? Enter your answer in the box. Express your answer usi
An oscilloscope is a machine that gives a picture of a sound wave. Low-pitched sounds have wide waves, and high-pitched sounds have thin waves. Which sound belo
Which of these properties is preserved exclusively under dilation? A. Symmetry B. Similarity 3. Congruence