A lab technician mixes a 0.730 M solution of sodium bromide (NaBr) and water. The volume of the solution is 135 mililiters. What is the mass of dissolved sodium bromide in the solution?

Which statement justifies that hydrogen peroxide (h2o2) is a polar molecule? the o – h bond is nonpolar and the molecule is asymmetric. the o – h bond is nonpolar and the molecule is symmetric. the o – h bond is polar and the molecule is asymmetric. the o – h bond is polar and the molecule is symmetric.