Answer: Molarity of the prepared solution is 
Explanation:
Molarity is defined as the number of moles of solute dissolved per liter of the solution.

where,
n= moles of solute
= volume of solution in ml = 500 ml
moles of solute =
Now put all the given values in the formula of molarity, we get

Thus molarity of the prepared solution is 
Where are options? without that, i can’t help you sorry
Answer:
Copper Wire
Explanation:
Copper is a pure substance but they used it to make a man-made material. Therefore, it's not pure anymore.
You can use grease or oil