Answer:6.12 x 10¹⁴ s⁻¹
Objects get their colors from reflecting only certain wavelengths when hit with white light. Light reflected from a green leaf is found to have a wavelength of 4.90 x 10⁻⁷ m. What is the frequency of the light?
Explanation:
m(NaOH)=20 g
M(NaOH) = 23+16+1=40 g/mol
20 g*1 mol/40 g= 0.50 mol
0.05 mol NaOH