A 1.0 mole sample of HN03 is added to water. The final volume of the solution is 1.5 L in the final temperature of the solution is 25°C. what is the molar concentration of nitrate ion in the final solution?
To find the molar concentration of nitrate ion in the final solution, we need to first calculate the final concentration of HNO3 in the solution.
Given:
- Initial moles of HNO3 = 1.0 mol
- Final volume of solution = 1.5 L
Molar concentration (M) is calculated using the formula:
M = moles of solute / volume of solution in liters
Molar concentration of HNO3:
M = 1.0 mol / 1.5 L
M = 0.67 M
Since HNO3 completely dissociates in water to form nitrate ions (NO3-), the molar concentration of nitrate ion in the final solution is also 0.67 M.