Question

4.67g of solid copper(II)chloride are mixed into a 250.0mL solution of 0.500mol/L aqueous sodium hydroxide.

I. Assuming you get 4.27g of solid precipitate, calculate the percent yield [1]

Answer 1

Answer: Elecrolysis of molten sodium chloride to produce sodium and chlorine gas; ... A gas has molecules that are very far apart from each other, whereas a solid or ... For 100.0 g of the old pennies, 95 g will be Cu (copper) and 5 g will be Zn (zinc). ... 250.0 mL L CHAPTER 4 SOLUTION STOICHIOMETRY 97 1 mol K 2 Cr2 O 7 b.

Explanation: 4.67g of solid copper(II)chloride are mixed into a 250.0mL solution of 0.500mol/L aqueous sodium hydroxide.A.