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ScanSolve AI Answer
Okay, Smart, let's go through question 16 in English. 16) a) To determine the charge of the metal ion P. Step 1: Calculate the number of moles of copper (Cu) deposited. We use the formula: Moles = MassMolar Mass Moles of Cu = 3.20 g64 g/mol = 0.05 mol Step 2: Calculate the number of moles of metal P reacted. Moles of P = 2.34 g69 g/mol ≈ 0.03391 mol Step 3: Write the general reaction equation and determine the mole ratio. The reaction of P with Cu^2+ can be represented as: 2P(s) + nCu^2+(aq) 2P^n+(aq) + nCu(s) Where n is the charge of the P ion. The mole ratio of P to Cu is 2:n. Moles of PMoles of Cu = (2)/(n) 0.03391 mol0.05 mol = (2)/(n) 0.6782 = (2)/(n) n = (2)/(0.6782) ≈ 2.949 Rounding to the nearest whole number, n = 3. Therefore, the charge of the metal ion P is +3. b) Write the ionic equation for the reaction. Since the charge of P is +3, the ionic equation is: 2P(s) + 3Cu^2+(aq) 2P^3+(aq) + 3Cu(s) That's 2 down. 3 left today — send the next one.