f you weighed 0.9867 g of Zn pellets and prepared a standard solution in a 250.0 mL volumetric flask,  What is the concentration of this solution? The molecular weight of the zinc pellets is 65.39 g/mol.     0.01509 M 0.0604 M 0.06036 M 6.04e-5 M 0.003772 M 258.1 M 6.036e-5 M

A student pipets 13 mL of a 0.0115 M solution of CaCl2 into a 100.00 mL volumetric flask and dilutes to the mark. What is the concentration of the resulting solution?

19.3 mL of a 2.8 M solution of lithium hydroxide is used to prepare a solution with a concentration of 0.088 M. What volume of the new solution was made (in mL)?

What is the concentration of an HBr solution if 0.9267 g of HBr are dissolved in enough water to make 79.97 mL of solution? The molar mass of HBr is 80.91 g/mol. 0.9159 M 0.01432 M 0.1432M 1.092M 6.982M

16.0 mL of 0.018 M I- solution is mixed with another solution to a new total volume of 75.0 mL. What is the molarity of the I- after mixing?

Concentrated sodium hydroxide (39.997 g/mol) is 50.% by mass and has a density of 1.51 g/mL. What is its' molarity? 13 M 1887 M 0.019 M 19 M

A chemist starts with 25.0 mL of a 0.20 M NaCl solution and dilutes it to 500 mL. What is the concentration of NaCl in the new solution? 0.060 M 0.080 M 0.020 M 0.040 M     What is the molarity of a KCl solution made by diluting 75.0 mL of a 0.200 M solution to a final volume of 100. mL? 0.267 M 6.67 M 0.150 M 0.200 M     Consider the following sample data or measurement. 167, 180, 188, 177, 181, 185, 189 Is 167 an outlier at 90% confidence interval?

500.0 mL of a 0.375 M solution of LiBr is diluted to 700.0 mL. What is the new concentration of the solution?

200.0 mL of a 0.800 M solution of KCl is diluted to 600.0 mL. What is the new concentration of the solution?

If 18.3 g of CH₃OH (MM = 32.04 g/mol) are added to a 500.0 mL volumetric flask, and water is added to fill the flask, what is the concentration of CH₃OH in the resulting solution?