What happens to the water level of water when you heat it and then set it aside for it to cool? what will happen this is urgent

Calculate: select the worksheet tab. this tab you calculate the analyte concentration.  fill in the first set of boxes ("moles h2so4" and "moles naoh") based on the coefficients in the balanced equation. (if there is no coefficient, the value is 1.)  record the appropriate volumes in the "ml naoh" and "ml h2so4" boxes.  record the concentration of the titrant in the m naoh box. click calculate. what is the concentration listed

Which compound contain an iron with a 3+ charge

What conclusion can you draw from this experiment about the components of the black ink?