You are given solutions of hydrochloric acid and sodium hydroxide and must determine their concentrations. You use 27.52 mL of NaOH to titrate 100.00 mL of HCl and 18.45 mL of sodium hydroxide to titrate 50.00 mL of 0.0782 M sulfuric acid. Determine the unknown concentrations of the hydrochloric acid and the sodium hydroxide.

What’s the percent by mass of carbon in c10h14n2

Click the button that shows the correct relationship of the electron affinities of the elements sodium and phosphorus. sodium’s electron affinity value is more negative than the electron affinity value of phosphorus. phosphorus’ electron affinity value is more negative than the electron affinity value of sodium. this information cannot be determined using the periodic table. answer is b on e2020.

Mercury metal is poured into a graduated cylinder that holds exactly 22.5 ml the mercury used to fill the cylinder mass in 306.0 g from this information calculate the density of mercury