1. Complete both questions: a. Prove thatHSO4-ﾃつﾃつcan act as an amphotericsubstance. b. Explain why CH4 cannot act as anamphoteric substance.
2. Try this question again. Be sure to useclaim-evidence-reasoning when you format your answer and be sure toshow your work for any calculations performed to develop yourevidence. Which is more dangerous if you spill it on your hand a0.025 M HBr solution (Ka = 1.3 x 106 ) or 0.75 MHClO2 solution (Ka = 1.2 x 10-2 )?
3.ﾃつﾃつFor each pair below indicate which is stronger andsupport your answer with an explanation. a. Which is a strongeracid, H2S or PH3? b. Which is a stronger baseCO3-2ﾃつﾃつorC2H5O-ﾃつﾃつ?
4. Calculate the equilibrium concentration of NO in thereversible reaction below using the initial concentrations givenfor each reactant and product. The equilibrium constant for thereaction is Kp = 20. 2 NO (g) ﾃ｢窶｡ﾅ N2 (g) + O2 (g) Initialconcentrations: [N2] = 0.5 atm, [O2] 0.5 atm, [NO] = 0.75 atm
