Question

If you dissolve 2.00 g of NiCl2*6h20 into a beaker of water and the final volume is 1.00 liters what will be the molar concentration of the solution? HELPPPPPPPPPPPPPP

Answer 1

molar concentration (c) = # of moles of solute (n) ÷ volume of solvent (v) in liters
So the molar mass of Nickel Chloride Hexahydrate is 237.69 g/mol.
So the # moles of 2 gms is:

`(1mol)/(237.69g) * (2g)/(1) = 8.414 * {10}^( - 3) moles \\ c = (n)/(v) = \frac{8.414 * {10}^( - 3) moles}{1 \: liter} \\ = 8.414 * {10}^( - 3)`