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past lab 3 - saldana(avs387 Post-lab 3 Lyon(90255 This...

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saldana (avs387) – Post-lab 3 – Lyon – (90255) 1 This print-out should have 9 questions. Multiple-choice questions may continue on the next column or page – find all choices before answering. 001 (part 1 of 2) 10.0 points Identify the correct net ionic equation for the formation of copper (II) phosphate precipi- tate from solution. 1. 2 Co 2+ (aq) + PO 3 - 4 (aq) Co 2 PO 4 (s) 2. 3 Cu 2+ (aq) + 2 PO 3 - 4 (aq) Cu 3 (PO 4 ) 2 (s) 3. 2 Cu 2+ (aq) + PO 3 - 4 (aq) Cu 2 PO 4 (s) 4. Cu 2+ (aq) + PO 3 - 4 (aq) Cu 3 (PO 4 ) 2 (s) 5. Cu + (aq) + PO - 4 (aq) CuPO 4 (s) 6. 2 Cu 2+ (aq) + P3 - (aq) Cu 3 P 2 (s) 7. 3 Co 2+ (aq) + 2 PO 3 - 4 (aq) Co 3 (PO 4 ) 2 (s) 002 (part 2 of 2) 10.0 points Identify the correct net ionic equation for the formation of tin (IV) sulfide precipitate from solution. 1. Sn 4+ (aq) + 2 S 2 - (aq) SnS 2 (s) 2. Ti 4+ (aq) + 2 S 2 - (aq) TiS 2 (s) 3. 4 Sn 2+ (aq) + 4 S 2 - (aq) 4 SnS (s) 4. 4 Sn 4+ (aq) + 2 S 2 - (aq) 2 Sn 2 S (s) 5. 2 Ti 2+ (aq) + S 2 - (aq) TiS (s) 003 (part 1 of 4) 10.0 points In each of the following four situations, imagine that you have two unlabeled beakers
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