How many moles of kbr are in 68.5 ml of a 1.65m solution?

Answer 1

To find the number of moles of KBr in a 1.65 M solution, you can use the formula:

[ \text{moles} = \text{molarity} \times \text{volume (L)} ]

First, convert 68.5 mL to liters: 68.5 mL = 0.0685 L. Then, multiply by the molarity:

[ \text{moles} = 1.65 , \text{mol/L} \times 0.0685 , \text{L} \approx 0.113 , \text{moles} ]

So, there are approximately 0.113 moles of KBr in 68.5 mL of a 1.65 M solution.