What is the % ionization of 1.17 M NH3 (aq) from the previous problem?   a. 0.00392 % b. 0.536 % c. 0.392 % d. 0.00246 % e. 0.00180 % Tables.pdf Periodic Table with New Elements.pdf

According to the solubility rules, which of the following compound(s) is (are) soluble in water? 1. CdCO3       2. (NH4)2CO3        3. NiCl2        4. Pb3(PO4)2     5. Cu(NO3)2   a. 5 only b. 2, 3, and 5 only c. 3 and 5 only d. 1 and 4 only e. 2 and 3 only Tables.pdf Periodic Table with New Elements.pdf

Which of the following is Cupric ion? a. Cu2+ b. Cu+ c. Cu3+ d. Co+ e. Co2+ Tables.pdf Periodic Table with New Elements.pdf

The correct formula for Mercury(I) bicarbonate is:   a. Hg2HCO3 b. Hg2(CO3)2 c. HgHCO3 d. Hg2(HCO3)2 e. Hg(HCO3)2 Tables.pdf Periodic Table with New Elements.pdf

Write the correct dissolving equation for Ag2CrO4 (s) on scratch paper, and then answer the following question. Which of the following is the correct Ksp expression for the dissolving of Ag2CrO4 (s)?   a.  Ksp =[Ag2Cr2+][O42-] b.  Ksp =[Ag+][CrO42-] c.  Ksp =[Ag22+][CrO42-] d.  Ksp =[Ag+][Cr+6][O2-]4 e.   Ksp =[Ag+]2[CrO42-] Tables.pdf Periodic Table with New Elements.pdf

Classify HC2H3O2 as a strong acid, weak acid, strong base, or weak base, and then answer the following question. What is the pH of 0.08 M HC2H3O2 (aq)?   a. 4.74 b. 5.84 c. 2.92 d. 1.10 e. 11.08 Tables.pdf Periodic Table with New Elements.pdf

Write the correct dissolving equation for Au(OH)3 (s) on scratch paper, and then answer the following question. Will a ppt of Au(OH)3 (s) form if you mix 2.8 x 10-12 M Au3+ (aq) with 5.6 x 10-10 M OH- (aq)? Which of the following is entirely correct?   a.  Q= 4.9 x 10-40, ppt forms b.  Q= 4.9 x 10-40,  no ppt  c.  Q=1.3 x 10-8, no ppt d.  Q=7.7 x 10-11, ppt forms e.  Q=7.7 x 10-11, no ppt  Tables.pdf Periodic Table with New Elements.pdf

Look up the Ka value of each acid below in your CHM-132 Tables, and then answer the following question. Which of the following is the strongest acid?   a. NH4+ b. HCHO2 c. HC2H3O2 d. HClO e. HCN Tables.pdf Periodic Table with New Elements.pdf

For the reaction: 2 NO2 (g) ⇌ 2 NO (g) + O2 (g), suppose the equilibrium pressures of the gasesare: P(NO2) = 0.32 atm P(NO) = 2.6 atm P(O2) = 0.39 atm. What is the value of Keq ? a. 3.17 b. 0.316 c. 9.90 d. 0.0388 e. 25.7 Tables.pdf Periodic Table with New Elements.pdf

What is the correct formula for Sodium chromate? a. Na2CrO4 b. Na(CrO4)2 c. Na(CrO3)2 d. Na2CrO3 e. Na2Cr Tables.pdf Periodic Table with New Elements.pdf