The molality equation also requires the moles of solute. The molarity describes 3.000 moles of NaCl per 1 L of solution. Use the moles of NaCl to solve for the mass of NaCl. Note: use the molar mass of NaCl rounded to 4 significant figures.

The activity series is shown in the attached picture. if the element is below the other, then you can displace the other. following the activity series as a guide, the reactions are as follows: nickel and aluminum chloride3 ni + 2 alcl₃  → 3 nicl₂ + 2 albarium and copper bromideba + cubr  →  no reaction because cu is less oxidizable than bapotassium nitrate and aluminum3 kno₃ + al  → al(no₃)₃ + 3 ksodium phosphate and zincnaso₄ + zn  → znso₄ + na