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 is 7.3 billion divided by 7?
What is the simple subject of a tornado shape is like a funnel?
Dark spots on the photosphere are known as A. solar wind. B. the chromosphere. C. the corona. D. sunspots.
Leah has some lessons stan's driving school. The total cost of the lessons is £305.50
Work out 5/8−2/5 Give your answer in its simplest form.
What were The main causes of the us war of independence
Identify H2 and describe its properties
How many atoms lined up side by side would equal the thickness of a book page?
which is the main way a representative democracy differs from a direct democracy
A __ map shows the land forms,water and features of a place {fill in the blank}