16 Review Sol Stoic & Redox

16 Review Sol Stoic & Redox - 1 1 10.60 g of sodium...

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Unformatted text preview: 1 1 10.60 g of sodium carbonate (Na 2 CO 3 , molar mass = 106.0 g/mol) are dissolved in enough water to make 250.0 mL of solution. What is the molar concentration of the solution? A) 0.1 M B) 0.2 M C) 0.4 M D) 0.0004 M What is the molar concentration of sodium and carbonate ions in the solution? A) 0.4 M each B) 0.2 M each C) 0.4 M Na + & 0.8 M CO 3 2- D) 0.8 M Na + & 0.4 M CO 3 2- molarity L in vol mass mass/molar 2 If 6.00 mL of 0.0250 M copper sulfate, CuSO 4 , is diluted to 10.0 mL with pure water, what is the concentration of the diluted solution? A) 0.15 M B) 0.015 M C) 0.025 M Conc: 6.00 mL x 0.0250 mol/L = 0.150 mmol M = 0.150 mmol / 10.0 mL = 0.0150 M 2 3 Solution Stoichiometry with RICE FofC p. 82 Model Calculation Calculate the mass in g of Ag 2 CO 3 (s) produced by mixing 125 mL of 0.315 M Na 2 CO 3 (aq) with 75.0 mL of 0.155 M AgNO 3 (aq). Determine the number of moles of the excess reactant left in solution....
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16 Review Sol Stoic & Redox - 1 1 10.60 g of sodium...

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