Question 19 (2 points) ✓ Saved
How many milliliters of a 0.200 M NaOH solution are needed to react with 28.0 mL
of a 0.500 M NiCl2 solution?
NiCl2 (aq) + 2NaOH (aq)
Ni(OH)2 (s) + 2NaCl (aq)
Your

Easy definition for atom and atomic mass

In all living cells dna controls cellular activities by

Which theory was contradicted by experiments with the photoelectric effect? light spreads out after it passes through a small opening. as soon as light strikes metal, electrons will be ejected. visible light, regardless of color, will cause the ejection of electrons when striking metal. the kinetic energy of ejected electrons depends on the frequency of light that strikes the metal.