Answer:
9.96*10^21
Explanation:
Molar mass of K2O=29*2+16
= 74g per mol
number of moles in the sample= 1.224/ 74
=0.1654
Number of particles in 1 mole=6.0221409*10^23
Number of particles= 0.01654*6.0221409*10^23
=9.96*10^21
Answer:
Answer: No. An ore is a rock having large amounts of a mineral. Minerals may or may not be commercially useful.
I think it’s c cause height is what determines gravitational potential energy
I don’t get it. What is the question asking?
Answer:
glucose and oxygen
Explanation:
Glucose and oxygen are needed for cellular respiration to occur:)