Buffer?
Does this make a buffer?
H2CO3+NaHCO3
Why or why not?
Yes, because it is a weak acid with a salt.
1.0 L buffer solution contains 0.450 mol CH3COOH and 0.450 mol CH3COONa. The pKa = 3.56
Calculate the pH after adding 0.015 mol of NaOH to the buffer
What is a pH of 3.59?
What does it mean when we have an equivalence point?
What is moles of acid = moles of base?
Determine the [OH-] of a solution with pH=6.50?
What is 3.16 x 10-8 M?
Amount of acid or base a buffer can neutralize
What is buffering capacity?
Does this make a buffer?
HCl + KCl
Why or why not?
No, because HCl is a strong acid
1.0 L buffer solution contains 0.450 mol CH3COOH and 0.450 mol CH3COONa. The pKa = 3.56
Calculate the pH after adding 0.025 mol of HCl to the buffer.
What is a pH of 3.51?
The equivalence point of a neutral salt is....
What is a pH of 7?
What is pOH=10?
pH Range for an Effective Buffer?
What is pKa + or - 1?
Does this make a buffer solution?
HC2H3O2 + KC2H3O2
Why or why not?
Yes, it is a weak acid with its salt.
A 1.0 L buffer contains 0.500 mol of HClO and 0.300 mol of NaClO. The pKa value is 6.54. What is the new pH after adding 0.120 mole of HCl to the buffer?
What is a pH of 6.00?
What volume of 0.80 M HCl will be required to titrate 36.2 grams of NaBrO (mw = 118.9 g/mol) to the equivalence point?
What is 381 mL?
Determine the pOH of a 0.150M HCN solution.
Ka= 4.4x10-9
HCN (aq) + H2O (l) = H3O+ CN-
What is the pOH of 9.41?
Water is considered this term
What is amphiprotic?
Does this make a buffer?
H3PO4 + NaCl
Why or why not?
No, NaCl is a strong base, and it does not contain a conjugate base
A 1.0 L buffer contains 0.350 mol of HClO and 0.450 mol of NaClO. The pKa value is 6.54. What is the new pH after adding 0.090 mole of NaOH to the buffer?
What is a pH of 6.86?
An initial pH of 9.5 and an equivalence point at pH 4.5 correspond to a titration curve for
What is a weak base to which strong acid is added?
What are the 6 strong acids?
What is: HCl, HNO3, HSO4, HBr, HI, HClO4
The only positive ion found in H2SO4 is this
What is hydronium ion?
Does this make a buffer?
NH3 + NH4Cl
Why or why not?
Yes, it is a weak base and its conjugate acid
Calculate the pH of a solution that is 0.30 M in ammonia (NH3) and 0.20 M in ammonium chloride (NH4Cl, Ka = 5.62 × 10–10).
What is a pH of 9.43?
A solution of sodium hydroxide (NaOH, 30.00 mL) was titrated to the equivalence point with 26.0 mL of 0.80 M HCl. What was the concentration of the sodium hydroxide solution?
What is 0.693 M?
The conjugate acid of CH3NH3
What is CH3NH4+?
What do criminals use acids for? (I stole this from another Jeopardy omg)
What is burn off their fingerprints?