I think your answer is D. However I’m not 100% sure.
Answer:moles = no. of molecules / Avogadro's number
= 2.26 x 10^33 / 6.022 x 10^23
= 3752906011
Round to significant figures which is 3 = 3.75 x 10^9 mol
Explanation:
The formula for finding how many moles of a substance when given the amount of molecules is: moles = number of molecules / Avogadro's number
Wave speed = frequency x wavelength
= 100 x 0.3
= 30 m/s.
Hope this helps!
Answer: Potential energy
Explanation: i hope i wasnt toooo late
