How many of the compounds shown below will decrease the pH when added to a beaker of water? LiI,CrI3,AlI3 ,FeI2,CaI2

A solution contains 0.150 M RbBrO, what is the pH of the solution? Ka (HBrO) = 2.8x10 ̶ 9

Solid barium hydroxide is dissolved in pure water, increasing the pH of the solution to 8.61. What is the OH⁻ concentration of this solution?

A solution decreases the alkalinity of another solution . Does the property describe a solution that is acidic , basic , both or neutral?

Which one of these is true? A neutralization reaction     occurs between a strong acid and a strong base occurs between a weak acid and a weak base produces an ionic compound along with water all the above a and c b and c

An unknown metal is reacted with water to form a metal hydroxide. The metal hydroxide is then titrated with hydrochloric acid. The titration data is shown below. Write the formula of the metal hydroxide, using "M" as the unknown metal. For example, you might answer "MOH" or "M(OH)2". moles unknown metal 0.0202 moles hydroxide analyzed concentration HCI 2.995 M Volume HCI, final 20.83 mL Volume HCI, initial 0.59 mL

Some chemical compounds are listed in the first column of the table below. Each compound is soluble in water. Imagine that a few tenths of a mole of each compound is dissolved in a liter of water. The important chemical species that w written in the second column of the table. Use the checkboxes to classify each compound. type of compound (check all that apply) important species present when dissolved in water compound ionic molecular strong weak strong weak acid acid base base K BrO4 K, BrO,, H,0 H BrO 4 H,0", Bro, H,0 2+ Ba (OH), Ba OH , H,0 NH, NH, OH , NH,, H,0 4 Explanation Check © 2021 McGraw-Hill Education. All Right OO0O

What is the [HF] in a solution with a pOH of 12.5? the answer is not listed 3.16 x 10-13 M 0.0316 M 3.16 x 104 M 1.36 x 10.3.5 M 0.0000316 M

“Dosers” release the chemical lime, a base, into streams. What effect does this have on the acidity of the streams?

A 0.658 g sample of a diprotic acid is dissolved in water and titrated with 0.130 M NAOH. What is the molar mass of the acid if 38.4 mL of the NaOH solution is required to neutralize the sample? Assume the volume of NaOH corresponds to the second equivalence point. 10 11 12 13 molar mass: g/mol 18 19 20 21 22 23 24