Practice Test for 6.1-6.3 1. Complete the following grand calculations: a. What is the thou of a resolvent containing 25.3 grams of copper (II) chloride dissolved in 140 mL of water? b. How many grams of sodium hydrated oxide argon needed to make 2 L of a 0.05 M settlement? 2. A student dissolves 0.350 moles of potassium nitride (K3N) in 0.650 L of water. c. Calculate the molarity of the result. d. What is the immersion of potassium ions? e. What is the concentration of nitride ions? f. What is the equate concentration of ions? 3. How many times more acidic is a upshot with a pH of 3 than a solution with a pH of 5? 4. Complete the following calculations and call whether the nerve centre is acidic, basic, or neutral: g. What is the pH of a solution with a pOH of 11.4? h. What is the heat content concentration of a solution with a hydroxide concentration of 6 x 10-5 ? i. What is the hydrogen concentration of a solution with a pOH of 3.7? j. What is the pH of a substance with a hydroxide concentration of 4 x 10-5? k. What is the hydroxide concentration of a substance with a pOH of 8.5? 5. release the disassociation equation for each of the following: l. sodium convert m.

magnesium hydroxide n. atomic number 20 bromide. 6. couch the Lewis structure for CH3Cl. o. How many valence electrons does this molecule reach? p. What is the stamp of this molecule? q. What is the bond angle? r. Is the molecule frosty or nonpolar? s. Wha t is the dominant intermolecular force fall! in in this molecule? Answers: 1a. 1.34 M; b. 4 grams; 2a. 0.538 M; b. 1.614 M; c. 0.538 M; d. 2.152 M; 3. 100 times; 4a. 2.6, acidic; b. 2 x 10-10 M, basic; c. 5.01 x 10-11 M, basic; d. 9.61, basic; e. 3.2 x 10-9 M, acidic; 5a. Na2SO4 ? 2 Na+ + SO42-; b. Mg(OH)2 ? Mg2+ + 2 OH-; c. CaBr2 ? Ca2+ + 2 Br-; 6a. 14; b. tetrahedral; c. 109.5°; d. polar; e....If you want to get a full essay, high society it on our website:
OrderEssay.netIf you want to get a full information about our service, visit our page: How it works.
No comments:
Post a Comment