Go to the Slightly Soluble Salts tab. Choose a salt from the dropdown menu to the right. Mouse over the salt shaker and move your mouse up and down while clicking the left mouse button to add the salt to the container of water. You can also add and remove water from the container by moving the sliders on the faucets to the left of the container back and forth.
Notice that there is a table indicating the number of dissolved and bound (solid) ions to the right under the dropdown menu. Using the data in this table, enter the chemical formula of mercury(II) bromide.
Express your answer as a chemical formula.