How many moles of NaB are contained in 10.0 mL of aqueous NaBr, 0.100 M? (Ans: 0.001 mol NaBr} Write the set up to justify the answer.

Answer 1

To find the number of moles of NaBr in 10.0 mL of a 0.100 M solution, we can use the formula:

moles = molarity x volume (in liters)

First, convert 10.0 mL to liters:
10.0 mL = 10.0 x 10^-3 L = 0.010 L

Now, plug in the values:
moles = 0.100 mol/L x 0.010 L
moles = 0.001 mol

Therefore, there are 0.001 moles of NaBr in 10.0 mL of a 0.100 M solution.