What is the ph of a solution with a hydronium (h3o+) concentration of 5.6 × 10-9 m? use the table to you. a. 7.00 b. 8.25 c. 9.00 d. 9.76

The pH is defined as the hydrogen ion concetration in a solution. Since we are given the concentration of , which is the same as , we use the  formula to find the pH of the solution.

The correct answer is B.

the enthalpy of formation of water is given as -285.8kj/mol, which states that the enthalpy of formation is negative.

negative enthalpy of formation indicates that the heat is released during the reaction process. the heat is released from reaction to the surroundings the enthalpy is expressed with a negative sign with the energy given out in the reaction process.

the formation of water takes place by giving out heat which is -285.8 kj/mol.