Answer :
Final answer:
To calculate the molarity of a solution, divide the moles of solute by the liters of solution. In this case, the molarity is approximately 0.008125 M.
Explanation:
To calculate the molarity of a solution, we need to use the formula:
Molarity (M) = moles of solute / liters of solution
In this case, we have 1.55 g of KBr dissolved in 1.60 L of solution. First, we need to convert the mass of KBr to moles using its molar mass. The molar mass of KBr is 119 g/mol. So,
moles of KBr = 1.55 g / 119 g/mol = 0.013 moles
Now, we can calculate the molarity:
Molarity = 0.013 moles / 1.60 L = 0.008125 M
Therefore, the molarity of the solution is approximately 0.008125 M. So, the correct answer is 0.008 M.
