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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 one hundred forty 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 etymon. d. What is the immersion of potassium ions? e. What is the concentration of nitride ions? f. What is the tick concentration of ions? 3. How many times more acidic is a firmness with a pH of 3 than a solution with a pH of 5? 4. Complete the following calculations and estimate 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 henry concentration of a solution with a hydroxide concentration o f 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. pull through the disassociation equation for each of the following: l. sodium sulphate m.

magnesium hydroxide n. atomic number 20 bromide. 6. attract the Lewis structure for CH3Cl. o. How many valence electrons does this molecule reach? p. What is the configuration of this molecule? q. What is the bond angle? ! r. Is the molecule frosty or nonpolar? s. What 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, bon ton it on our website: OrderCustomPaper.com

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