The lucky necklace as it can't be proven.
Number of moles of Cu in 63.546 g is 1 mole
1 / 63.546 = 0.0157366317
Number of moles in 1 g of Cu is 0.0157366317
0.0157366317 x 0.1431
0.002251912 moles will be the answer
Answer: The -ite suffix is used on the oxyanion with one oxygen atom fewer (like sulfite SO32- or nitrite NO2-).
A catalyst is a substance that increases the rate of a chemical reaction without itself being consumed . (ans: second choice)
