Answer:
<u>A. Magnet has a north pole and south pole.</u>
Explanation:
- A magnet has a north and south pole
- Magnets attract paper clips due to the metals present
- Magnetic fields are not visible
- North pole and south pole attract each other
Only the first statement is correct, the answer is (A).
The answer to this question is bohr Greek
<span>0.0750 M Na3PO4 as this solution would contain 3 Na+ and 1 PO4- ions per mole of Na3PO4 for an effective total ion concentration of 4 x .0750 or .300 M. The K2SO4 has three total ions or a concentration of .300 M as well. Hope it helps. </span>