47.0 mL of an HBr solution were titrated with 37.5 mL of a 0.215 M LiOH solution to reach the equivalence point. What is the molarity of the HBr solution?

21. consider the following chemical reaction: n2+ o2 2 no if 10.0 g of n2 reacts with excess oxygen then how many grams of no can be formed? a) 10.7 g b) 21.4 g c) 32.9 g d) 42.8 g page 4 of 8

According to the tide table below what time of day will the highest tide occur? (2 pt) the highest tide will occur at

A5.000 g sample of niso4 h2o decomposed to give 2.755 g of anhydrous niso4. what is the formula of the hydrate? what is the full chemical name for the hydrate? what is the molar mass of the hydrate? niso4•_h2o what is the mass % of water in the hydrate?