Answer:
C. 17 grams.
Explanation:
∵ mass % = [mass of solute/mass of solution] x 100.
mass of solute (NaCl) = ??? g & mass of solution = 140.0 g.
<em>∴ mass of NaCl = (mass %)(mass of solution)/100 </em>= (12.0)(140.0)/100 = <em>16.80 g ≅ 17.0 g.</em>
For me the answer is E. It is composed of one Ru2+ ion and two F- ions.
CO2 ; H20- They are the only ones that, on both sides, combined with another element and bonding of atoms
Answer:
A veinlike deposit, usually metalliferous.
Any body of ore set off from adjacent rock formations.
A rich supply or source
