3.13 The Henry's law constant for H₂S is 0.1 mole/ L-atm, and H₂S (aq) HS + H+ where K₁ = 10-7. If you bubble pure H₂S gas into a beaker of

water, what is the concentration of HS at a pH of 5 in (a) moles/L, (b) mg/L, and (c) ppmm?