CHE 131 Study Guide - Final Guide: Calcium Hydroxide, Lithium Chloride, Chemical Equation

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turquoisegnu128

28 Sep 2018

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Stony Brook University

Department

Chemistry

Course

CHE 131

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All

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CHE 131 Full Course Notes

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Concentrated hydrochloric acid is 12. 0 m. what volume of hcl (aq) contains 1. 00 mol of hcl: 3. 07 ml, 8. 33 ml, 83. 3 ml, 12. 0 ml, 120. ml. What volume of 2. 50 m srcl2 is needed to prepare 500. ml of a 5. 00x10 3 m solution: 1. 00 ml, 1. 00x103 ml, 2. 50 ml, 250. ml, 400. ml. Which of the following solutions has the greatest ability to conduct electricity: 0. 75 m licl, 1. 0 m nacl, 1. 2 m kcl, 1. 0 m na2so4, 55. 5 m h2o. Calculate the mass of mgco3 precipitated by mixing 10. 0 ml of a 0. 200 m. Na2co3 solution with 5. 00 ml of 0. 0500 m mg(no3)2 solution: 0. 0271 g, 0. 0416 g, 0. 167 g, 0. 0210 g, 0. 333 g. How many milliliters of 0. 0977 m hcl are required to titrate 30. 0 ml of 0. 103 m. Naoh: 30. 0 ml, 30. 9 ml, 28. 46 ml, 31. 6 ml, 97. 7 ml. Balance the following redox reaction assuming basic conditions.

Related Questions

Thermodynamics of the Dissolution of Borax

Data:

Concentration of HCl titrant: .1481 M

TEST SOLUTION 1

Preparation of Borax Sample

Volume of Sample (mL): 5.0

Temperature of sample:49.99 degrees C

ANALYSIS

buret reading, final:44.6 mL

buret reading, initial:15.8 mL

Volume of HCl added: 28.2 mL

CALCULATIONS

A. Temperature in K=?

B. 1/T (K^-1)=?

C. mol HCl used=?

D. mol B4O5(OH)4^2- =?

E. [B4O5(OH)4^2- (M) =?

F. Solubility of borax (M) =?

G. Solubility product, Ksp=?

H. ln Ksp=?

1) Calculate of pH of each of the following strong acid solutions:

(a) 8.5 x 10^-3 M HBr

(b) 1.52 g of HNO₃ in 575 mL of solution

(d) a solution formed by mixing 10.0 mL of 0.100 M HBr with 20.0 mL of 0.200 M HCl.

2) Calculate [OH^-] and pH for

(a) 1.5 x 10^-3 M Sr(OH)₂

(b) 2.250 g of LiOH in 250.0 mL of solution

(d) a solution formed by adding 5.00 mL of 0.105 M KOH to 15.0 mL of 9.5 x 10^-2 M Ca(OH)₂

3) Latic acid (CH₃CH(OH)COOH) has one acidic hydrogen. A 0.10 M solution of lactic acid has a pH of 2.44. Calculate K_a.

4) A 0.100 M solution of chloroacetic acid (ClCH₂COOH) is 11.0% ionized. Using this information, calculate [ClCH₂COO^-], [H⁺], [ClCH₂COOH], and K_a for chloroancetic acid.

ultramarinerabbit662

9. Based on the equations below, which metal is the most active? Pb(NO3)2 (aq) + Ni (s) â Ni(NOJ2 (aq) +pb (s) Pb(NO3)2 (aq) + Ag (s)--No reaction Cu(NO): (aq) + Ni (s) â Ni(NO3)2 (aq) + Cu (s) [a] Ni [b] Ag [c] Cu [d] Pb [e] N 10. The net ionic equation for the reaction between sulfuric acid and sodium hydroxide is [a] H+(aq) + HS04 (aq)-20H-(aq) 2 H20 (l) + S -(aq) [b] H+ (aq) + HSo; (aq) + 2 Na+(aq) + 2 OH-(aq) â 2 H20 () + 2 Na+(aq) + S [c] S04-(aq) 2 Na+(aq) â 2 Na+(aq) + Sof-(aq) [d] H+ (aq) + OH-(aq) â H2O (/) [e] 2 H + (aq) + S04-(aq)-2Na+(aq) + 2 0H-(aq) 2 H 20 () +2 Na+(aq) + S -(ag) -(aq) 11. In which reaction does the oxidation number of oxygen increase? [a] Ba(NO3)2 (aq) + K2SO4 (aq) â BaSO4(s) +2 KNO3 (aq) [b] HCl (aq)-NaOH (aq) â NaCl (aq) + H20 (!) [c] MgO (s) + H20 (l) â Mg(OH)2 (s) [d] 2 SO2 (g) + 02(g) 2 SO3 (g) [e] 2 H20 (1) â 2 H2(g) + 02(g) 12. Based on the activity series, which one of the reactions below will occur? Corrected typo [a] Zn (s) + Mn12 (aq) â Zn12 (aq) + Mn (s) [b] SnCl2 (aq) + Cu (s) â Sn (s) + CuCl2 (aq) [c] 2 AgNO3 (a)Pb (s)-2 Ag (s) + Pb(NO3)2 (aq) [d] 3 Hig (l) 2 Cr(N03)3 (aq) â 3 AgN03 (aq) + 2 Cr(s) [c] 3 FeBr2 (aq) + 2 Au (s) â 3 Fe (s) + 2 AuBr3 (aq) 13. Which of the following is an oxidation-reduction reaction? [a] Cu (s) + 2 AgNO3 (aq) â 2 Ag (s)-Cu(NOJ2 (aq) [b] HCl (aq)-NaOH (aq) â H20 (1)-NaCl (aq) [c] AgNO3 (aq) + HCl (aq) â AgCl (s) + HNO3 (aq) [d] Ba(C2H302)2 (aq)-Na,so, (aq) â BaS04 (s) t. 2 NaC2H,02 (aq) [e] H2C03 (aq) + Ca(NO3)2 (aq) â 2 HNO3 (aq)-CaCO3 (s) 14. A 0.355 M K-SO4 solution can be prepared by- [a] dissolving 46.7 g of K SO4 in water and diluting to a total volume of 250.0 mL [b] dissolving 46.7 g of K2SO, in water and diluting to 500.0 mL, then diluting 25.0 mL of this solution to a total volume of 500.0 mL [c] dilution of 1.00 mL of 0.355 M K,SO, to 1.00 L [d] diluting 46.7 mL of 1.90 M K SO, solution to 250.0 mL

CHE 131 Study Guide - Final Guide: Calcium Hydroxide, Lithium Chloride, Chemical Equation

CHE 131 Full Course Notes

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