The mass of the liquid is 280 g.
Mass = 200 mL × (1.4 g/1 mL) = 280 g
The molar mass of CuCl2 is 134.45 g/mol; therefore, you divide 2.5 g of CuCl2 by 134.45 g of CuCl2 leaving you with 0.019 moles
They are a radioactive form of carbon, they are bad bc they have too many neutrons for its six protons, making it unstable
Answer:
B is the correct answer I say