A dibasic compound, B, has pKb1 4.00 and pKb2 6.00. Find the fraction in the form BH2 2 at pH 7.00, using Equation 9-19. Note that K1 and K2 in Equation 9-19 are acid dissociation constants for BH2 2(K1 Kw/Kb2 and K2 Kw /Kb1). 9

Econ 201: Week 13 Unemployment Labor Force Statistics • Created by the BLS (Bureau of Labor Statistics) in the U.S. Department of Labor • Based on regular survey submitted from 60,000 households • Based on “adult population”-‐ 16 years and older o Disincluding: military, institutionalized, incarcerated, minors Population divided into 3 groups: by BLS 1. Employed-‐ Paid employer, self-‐empl