A 4.000-mL urine sample from a person suffering from diabetes mellitus has a mass of 4.004 g. Express your answer using four significant figures.

Using complete sentences, explain how to predict the products and balance the reaction between sulfuric acid and potassium hydroxide.

2. how is heavy water different from normal water

Between 2014 and 2016, more than 25,000 children in flint, michigan, drank water that was contaminated with lead from lead pipes. during this time, the city claimed the water was safe to drink. which of these actions could the city have taken to ensure that the drinking water was free from lead?