Determine the identity of an unknown solid weak acid

The virtual lab stockroom contains NaOH, water and an unknown solid weak acid. Perform experiments to identify the pKa and molar mass of the bottle of unknown solid acid. You may enter your answer in the form below the Virtual Lab.

NOTE: You can submit your answers up to three times. If all three answers are incorrect, you will be given the correct answer and asked to reload the page and try a new problem. Good Luck! Please be aware that reloading the page will result in having to start a new problem with a different unknown acid.