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

which of the following to all food chains depend on in an ecosystem
A fair coin has two faces called 'heads' and 'tails'. In a single toss of a fair coin, the probability of obtaining a tail is * A) 0 B) 0.25 C) 0.5 D) 1
Solve for x. 5x−2(x+1)=14 ​ x =
WILL GIVE BRAINLIEST, JUST ANSWER THESE 3 MULTIPLE CHOICE QUESTIONS A, B, C, or D!!!!!
I’ll mark brainliest and HELPPPP right now pls
Describe and correct the error a student made in writing the system of inequalities represented by the graph shown below.
Simplify the following expression: (3x+4)(x-1)(x-3)
what mining biodivirsity​
Which of these relations is a function? I’m I correct??
Help me PLEASE!2. When Deema begins her drive, she is 400 mi from home. She drives at an average rate of 50 mph until she getshome. Draw a graph to represent th