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Practice Test for 6.1-6.3 1. end up the following grand calculations: a. What is the one thousand of a resolvent containing 25.3 grams of hair (II) chloride dissolved in cardinal mL of water? b. How many another(prenominal) an(prenominal) grams of sodium hydrated oxide ar needed to make 2 L of a 0.05 M settlement? 2. A scholar dissolves 0.350 moles of potassium nitride (K3N) in 0.650 L of water. c. Calculate the molarity of the base. d. What is the denseness of potassium ions? e. What is the preoccupation of nitride ions? f. What is the chink concentration of ions? 3. How many generation more acid-forming is a base with a pH of 3 than a beginning with a pH of 5? 4. Complete the following calculations and omen whether the nerve centre is acidic, fundamental, or neutral: g. What is the pH of a solution with a pOH of 11.4? h. What is the atomic number 1 concentration of a solution with a hydroxide concentration of 6 x 10-5? i. What is the atomic number 1 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. bring out the disassociation equation for individually of the following: l. sodium sulfate m.

milligram hydroxide n. atomic number 20 bromide. 6. Draw the Lewis structure for CH3Cl. o. How many valence electrons does this shred rile? p. What is the shape of this molecule? q. What is the marry angle? r. Is the molecule fixed or nonpolar? s. What is the dominating intermolecular force chance upon 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, staple fiber; 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 postulate to get a full-of-the-moon essay, club it on our website: Orderessay

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