jonescede
jonescede jonescede
  • 29-04-2019
  • Chemistry
contestada

HELP !
85g of NiCl2 dissolves in 350ml of H2O. What is the Molarity? Show your work

Respuesta :

superman1987
superman1987 superman1987
  • 09-05-2019

Answer:

1.874 M.

Explanation:

Molarity is defined as the no. of moles of a solute per 1.0 L of the solution.

M = (no. of moles of solute)/(V of the solution (L)).

∴ M = (mass/molar mass)of NiCl₂/(V of the solution (L)).

∴ M = (mass/molar mass)of NiCl₂/(V of the solution (L)) = (85.0 g / 129.59 g/mol)/(0.35 L) = 1.874 M.

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