How many mole of potassium hydroxide are in 27.5 mL of 0.250 M potassium hydroxide soltion?...

Question

Question

How many mole of potassium hydroxide are in 27.5 mL of 0.250 M potassium hydroxide soltion?

0.00431
0.00688
0.00724
0.00813
none of the above

science chemistry

Answer 1

Answer #1

Answer 2

Similar Homework Help Questions

How many mL of 3.50 M potassium hydroxide must be added to 500 mL of a...

How many mL of 3.50 M potassium hydroxide must be added to 500 mL of a 0.200 M carbonic acid solution to make a buffer with pH = 6.30? (Assume only the first hydrogen is dissociated.)
A) how many mL of 0.5000 m aqueous potassium hydroxide are needed to neutralized (turn oink...

A) how many mL of 0.5000 m aqueous potassium hydroxide are needed to neutralized (turn oink due to indicator phenolphthalein) 25.00 ml of 0.5000 m aqueous oxalic acid. please write balanced equation, note mole to mole ratio of acid to base and use stoichiometry to solve. B) write a balanced reaction for the mixing of aqueous sodium chloride and aqueous silver nitrate which produces solid silver chloride and aqueous sodium chloride. Calculate the grams of the solid product and grams...
1. How many moles of potassium hydroxide would have to be added to 150 mL of...

1. How many moles of potassium hydroxide would have to be added to 150 mL of a 0.399 M hypochlorous acid solution, in order to prepare a buffer with a pH of 7.170? ______ Moles 2. An aqueous solution contains 0.308 M hydrofluoric acid. How many mL of 0.220 M potassium hydroxide would have to be added to 125 mL of this solution in order to prepare a buffer with a pH of 3.240? _____ mL

How many grams of solid potassium hydroxide are needed to react with 12.7 mL of a...

How many grams of solid potassium hydroxide are needed to react with 12.7 mL of a 1.47 M hydrobromic acid solution? Assume that the volume remains constant when the potassium hydroxide is added.
An aqueous solution contains 0.475 M hypochlorous acid. How many mL of 0.277 M potassium hydroxide...

An aqueous solution contains 0.475 M hypochlorous acid. How many mL of 0.277 M potassium hydroxide would have to be added to 225 mL of this solution in order to prepare a buffer with a pH of 7.450 ml
An aqueous solution contains 0.489 M acetic acid. How many mL of 0.257 M potassium hydroxide...

An aqueous solution contains 0.489 M acetic acid. How many mL of 0.257 M potassium hydroxide would have to be added to 150 mL of this solution in order to prepare a buffer with a pH of 4.430? mL

An aqueous solution contains 0.432 M hydrofluoric acid. How many mL of 0.368 M potassium hydroxide...

An aqueous solution contains 0.432 M hydrofluoric acid. How many mL of 0.368 M potassium hydroxide would have to be added to 225 mL of this solution in order to prepare a buffer with a pH of 3.050?
qestOn How many moles of potassium hydroxide would have to be added to 225 mL of...

qestOn How many moles of potassium hydroxide would have to be added to 225 mL of a 0.325 M hydrofluoric acid solution, in order to prepare a buffer with a pH of 3.060? moles An aqueous solution contains 0.428 M hypochlorous acid. How many mL of 0.292 M sodium hydroxide would have to be added to 150 mL of this solution in order to prepare a buffer witha pH of 7.140? mL
How many moles of potassium hydroxide would have to be added to 250 mL of a...

How many moles of potassium hydroxide would have to be added to 250 mL of a 0.478 M nitrous acid solution, in order to prepare a buffer with a pH of 2.900?

How many moles of potassium hydroxide would have to be added to 125 mL of a...

How many moles of potassium hydroxide would have to be added to 125 mL of a 0.438 M acetic acid solution, in order to prepare a buffer with a pH of 4.420? moles