LABZ FULLY SOLVED 100 PERCENT | ACTUAL EXAM PAPER
2026 QUESTIONS WITH ANSWERS | LATEST UPDATED
2026/2027 | GRADED A+.
⩥ Speed of light relationship: Answer: c=λf
⩥ Photon energy (combined): Answer: E=hc/λ
⩥ what is light constant "c" = to Answer: 3x10^8
⩥ Molarity: Answer: moles of solute/liters of solution
⩥ Molality: Answer: moles of solute/kg of solvent
⩥ Osmolality Answer: i (van't hoff factor) x M
⩥ van't Hoff factor Answer: - total # of of particles in solution
,⩥
⩥
- Ex: glucose is 1
- Ex: NaCl is 2 (breaks up into 2 ions)
⩥ Find energy change from one orbital to another Answer:
R=[1/(ni^2)1/(nf^2)]
⩥ maximum number of electrons in a given shell Answer: 2n^2
⩥ Density: Answer: ρ=m/v
⩥ Partial pressure from mole fraction: Answer: Pi=Xi(Ptotal)
⩥ Vapor pressure (Raoult's Law): Answer:
Psolution=Xsolvent(Psolvent)
⩥ Boiling point elevation: Answer: ΔTb=iKbm
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