Sapling Learning Map A solution of F is prepared by dissolving 0.0901 t 0.0005 g

Question

Sapling Learning Map A solution of F is prepared by dissolving 0.0901 t 0.0005 g of NaF (molecular weight 41.989 t 0.001 g/mol) in 152.00 t 0.08 mL of water. Calculate the concentration of F in solution and its absolute uncertainty. Number Number for this problem. To avoid rounding F 0.01412 errors, do not round your answers M 8x10 until the very end of your calculations. There is additional solution content available! View this solution by clicking on the bottom divider bar. Click on the divider bar again to hide the solution. Close A Previous View solution e Try Again e Next o

Explanation / Answer

Molarity

molarity = mass of solute/molar mass of solute x volume of solution

For the given solution,

molarity [F-] = 0.0901/0.152 x 41.989

= 0.01412 M

minima = 0.0896/0.072 x 41.988

= 0.02964 M

maxima = 0.0906/0.232 x 41.99

= 0.00930 M

absolute uncertainty = +/-0.01017

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