how many grams of metallic copper are required to react with the number of moles of Cu2+ , 0.16mol, to form CuCl overall reaction can be taken as:

Cu2+(aq) + 2 Cl- (aq) + Cu(s)-->2CuCl(s)

You can take a look at this post on simple stoichiometry and follow the steps.

http://www.jiskha.com/science/chemistry/stoichiometry.html

To determine the number of grams of metallic copper required to react with a given number of moles of Cu2+, you can use stoichiometry and the molar mass of copper (Cu).

First, let's determine the mole-to-mole ratio between Cu2+ and metallic copper (Cu). It can be observed from the balanced equation that 1 mol of Cu2+ reacts with 1 mol of Cu.

Given that you have 0.16 moles of Cu2+, you can calculate the number of moles of Cu needed using the mole-to-mole ratio:

0.16 mol Cu2+ x (1 mol Cu / 1 mol Cu2+) = 0.16 mol Cu

Now, you need to convert the moles of Cu into grams by multiplying by the molar mass of copper (Cu), which is 63.55 g/mol:

0.16 mol Cu x 63.55 g/mol = 10.168 g Cu

Therefore, you would need approximately 10.168 grams of metallic copper to react with 0.16 moles of Cu2+ to form CuCl.