chem multiple choice

Pure water at 25 degrees has a pH of .....

• 7

• 19

• 8

• 2

How many millimeters of 5.0 M NaOH are needed to exactly neutralize 40. of 2.0 M HCI?

• 21 ml

• 24 ml

• 16 mL

• 100 ml

As HF dissolves in water, the following ionization reaction occurs: HF + H2O =H3O + F-
In this reaction, a proton is donated to ....

• h3n to K

• D3 + d = Y

• H2O by HF

• H30 by hb

What is the concentration of H3O^+ ions, in moles per liter of a 0.0001 M HCI solution?

• 3 x 19 + 9

• 1 x 10-4

  
  

• 62 = c

• 98

Given the neutralization reaction : H2SO4 + 2KOH -> K2SO4 + 2HOH
Which compound is a salt?

• T4

• HG0

• H2o

• K2SO4

  
  

If 50 milliliters of a 1.0 M NaOH solution is needed to exactly neutralize 10 milliliters of an HCI solution, the molarity of the HCI solution is

• 6.0 Ml

• 5.0 M

• 7 ml

• 21 ml

Household vinegar has a pH of approximately 3.0. Which would appear yellow when added to a vinegar solution?

• orange flame

• Flamingly blue

• bromcresol green

• Purple flame

Which formula represents a conjugate acid-base pair?

• Biya+ch8mo

• CHCOH and CHO-

  
  

• CH3COOH and CH3COO-

  
  

• Bou6 +BHALk

Which formula could represent the solution tested?
red litmus ----> blue
blue litmus ----> blue
phenolphthalein -----> pink

• NaOH(aq)

  
  

• N2o (ab)

• ung(k)

• Bhas(20)

An aqueous solution of an ionic compound turns red litmus blue, conducts electricity and reacts with an acid to form a salt and water. This compound could be ....

• LiOH

  
  

• bh2

• JI8

• BKA9