dawsonlallance2 dawsonlallance2
  • 07-06-2021
  • Chemistry
contestada

How many atoms are in 0.432 g of KNO3? Round your answer to three significant
figures.
A…2.58 x 1021
B…7.10 x 10-27
C…0.00428
D…43.6

Respuesta :

unknown767
unknown767 unknown767
  • 07-06-2021

A

I did it and got this but it know the first one is right as it only missing of some point it will be calculator error and also the answer is to the power of 21.

hope this make sense :)

Ver imagen unknown767
Answer Link

Otras preguntas

what is the factored from of the polynomial?x^2+9x+20
Calculate m∠ADC. Round to the nearest thousandth.
I Need Help With Statistics
Adrian only takes responsibility for himself and his immediate family. What kind of outlook is his culture likely to have?
Harriet Tubman was a leader of the abolitionist movement. In which time period was she most active? A) 1810s B) 1830s C) 1850s D) 1870s pls help
When a plant generates food through photosynthesis, this food A. can be used immediately or stored for later use. B. is always used as soon as it is convert
Which shows the rational expression written using the least common denominator? X-2/x3+x+1/2x3
Which is NOT a restriction in the Death with Dignity Act? A. The patient must be diagnosed with a terminal illness that will kill them within six months. B. T
Starting from rest, a car accelerates at a rate of 4.2 m/s2 for a time of 5 seconds, What is its velocity at the end of this time?
What is the additive inverse of the polynomial? -7y^2+x^2y-3xy-7x^2