Chemistry Homework Solutions
#21500
Ion Concentration
i) At 25ºC, 0.212g of barium hydroxide is dissolved completely in sufficient water to make 0.25 liter of final solution. What is the hydroxide ion concentration in mol litre-1? Given answer in scientific notation to an appropriate number of significant figures.
ii) What assumption must you make in order to carry out the calculation?
iii) What is the hydrogen ion concentration (in mol liter-1) in the solution?
iv) What is the PH of this solution to the nearest integer?
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