13. what is the molar mass of (nh4)3po4? (use whole number molar masses) *
a. 113 g
b. 121 g
c. 149 g
d. 339 g
14. what is the mass of oxygen in 300 g of sulfuric acid (h2so4)? *
a. 64 g
b. 196 g
c. 210 g
d. 300 g

50 pts plz what is the physical state of matter of baking soda.

Newtons second law deals most cosely with

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.