erykkfuentes3 erykkfuentes3
  • 14-09-2016
  • Chemistry
contestada

A chemist weighed out
65.8

g
of potassium. Calculate the number of moles of potassium she weighed out.
Round your answer to
3
significant digits.

Respuesta :

johnotas90 johnotas90
  • 14-09-2016
no of moles= mass/atomic mass

no moles of potassium= 65g/39.8= 1.6moles
Answer Link

Otras preguntas

Why do you think there are no flashlights ,fire, or matches in Ember?Please Answer As soon as possible
A boat traveled from Pier A to Pier B with the current in 2 hours. How far from each other are these piers, if the return trip took 6 hours, and the current sp
why did cornstalk go to fort randolph? What happened to cornstalk
was the magna Carta was the first attempt to limit the powers of the king?
for a school play the teacher asked the class to set up chairs in 20 rows with 25 chairs in each row . after setting up all the chairs they were 5 chairs short
show that for 5<t<7, the acceleration is given by a=-5t+30
Serious inquiries only please and double check ur work please before posting
find the refractive index of the glass
Why does the White Witch want to capture and kill any "Sons of Adam" or "Daughter's of Eve"? From Lion, The witch and The Wardrobe
Please answer, working out pls