Asked by Nissa Taylor on Jun 02, 2024
Verified
What is the molarity of a solution made from 0.25 mol of KBr and 0.80 L of water?
A) 0.31 M
B) 3.20 M
C) 0.20 M
D) 1.05 M
Molarity
A concentration measurement defined as the moles of a solute per liter of solution.
KBr
Potassium bromide, a chemical compound used in photography, as a sedative in veterinary medicine, and in analytical chemistry.
- Quantify the concentration of solutions by calculating their molarity and evaluate the impact of dilution.
Verified Answer
AC
Anita CeballosJun 02, 2024
Final Answer :
A
Explanation :
Molarity is calculated as moles of solute divided by liters of solution. For this problem, it is 0.25 mol / 0.80 L = 0.3125 M, which rounds to 0.31 M.
Learning Objectives
- Quantify the concentration of solutions by calculating their molarity and evaluate the impact of dilution.