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Acids and Bases
Page 2
Questions (2,329)
How do you calculate the PH of a buffer solution prepared by mixing 75 mL of 1.0 M lactic acid and 25 mL of 1.0 M sodium
5 answers
asked by
nicki
5,784 views
Determine [H30+], [OH-], and pH.
A solution that is 0.655% HNO3 by mass (assume a density of 1.01 g/ mL for the solution).
4 answers
asked by
Nevaeh
5,889 views
Which of
I) HCl II) HF III) LiOH IV) HClO2 V) HNO3 are strong acids or strong bases in water?
6 answers
asked by
cheri
2,282 views
Phosphoric acid is triprotic acid (three ionizable hydrogens). The values of its stepwise ionization constants are Ka1= 7.5E-5,
6 answers
asked by
NIKITA
5,856 views
Calculate the hydrogen ion concentration, in moles per liter, for solutions with each of the following pH values.
pH=1.10 im
5 answers
asked by
lyne
2,117 views
If a neutral solution of water, with pH = 7.00, is heated to 50 deg C , the pH drops to 6.63.
Does this mean that the
5 answers
asked by
greeny
3,307 views
What is the pH of the solution formed when 0.040mol NaOH(s) is added to 2.00L of 0.020M HCl?
6 answers
asked by
IH
1,627 views
What is the pH of 6.6 X 10^4 M HCL?
4 answers
asked by
Nick
771 views
A 25.0 mL sample of 0.100 M propanoic acid (HC3H5O2, Ka = 1.3 ✕ 10-5) is titrated with 0.100 M KOH solution. after the
5 answers
asked by
bill
1,604 views
what is the ph of a solution that results from adding 30 mL of .015M KOH to 50 mL of .015 M benzoic acid?
3 answers
asked by
Jess
1,202 views
How do the components of a conjugate acid–base
pair differ from one another? Give an example of a conjugate acid–base pair to
4 answers
asked by
Big Boy
896 views
The dissociation for a weak base BOH in water found to be 1.25 x 10^-6. What is the concentration of H+ in a 3.2M soluton of
6 answers
asked by
LT
1,341 views
What are the (a) H+ ion concentration, (b) pH, (c) OH" ion
concentration, and (d) pOH of a 0.001 M solution of HC1?
2 answers
asked by
Ali Alkhfajy
704 views
A .35M solution of a newly synthesized acid, HX, has [H+] of 4.1 x 10^-2. What is the value of Ka for this acid?
3 answers
asked by
Diana
1,027 views
HA and HB are two strong monobasic acids. 25cm3 of 6moldm-3 Ha is mixed with 45cm3 of 3moldm-3 HB. What is the H+ concentration
3 answers
asked by
zainab
1,401 views
calculate the pH of a buffer made by combining 50.0mL of 1.00M ammonia and 50.0mL of ammonium nitrate Kb=1.77x10^-5
7 answers
asked by
Mandie
1,047 views
How can I tell a conjugate base from a regular base and a conjugate acid from a regular acid? For example, in:
H2O + HONH3
5 answers
asked by
Taasha
5,961 views
the pKb for methylamine is 3.36, what is the Kb for methylamine?
pKa+pKb= 14.00 Kb= 10^-pKb = 4.4x10^-4 is the answer but HOW??
4 answers
asked by
Lori
1,679 views
How would you prove that sodium hydroxide is a base without using a litmus paper to test? Give the equation for the reaction?
23 answers
asked by
Wissy
5,826 views
If the pH of a nitric acid solution is 2.34, then what is the molarity of nitric acid in the solution?
A. 1.6 × 10-4 M B. 3.8 ×
6 answers
asked by
jessica
2,234 views
Phenolphthalein would not be an appropriate indicator to use to determine the Ka1 of phosphoric acid Why not? what indicator
5 answers
asked by
ERAGON
3,035 views
Calculate the pH at 0, 10, 90, 100 & 110% titration for the titration of 50.0ml of 0.1M HCl with 0.10M NaOH?
3 answers
asked by
Eline
2,084 views
Ka=1.8x10^-5. How do you calculate the value of pKa?
7 answers
asked by
Vivian
13,713 views
What is the OH- concentration of a solution whose pH is 12.40?
7 answers
asked by
Trinity
6,932 views
A Solution Has A PH Of 3.4.What Is Its Hydrogen Ion Concentration?
16 answers
asked by
Ola
6,918 views
I am stumped on this one...Please help!!!
Write a balanced base ionization reaction for methylamine (CH3NH2) in water. Identify
4 answers
asked by
Nathan
2,041 views
1. As the strength of a weak acid increases, the proportion of ions to molescules increases or decreases? ... I think that it
5 answers
asked by
April
2,095 views
The pH of a solution is measured to be 5.4. Calculate the following:
a) [H3O^+] b)pOH c)[OH^-]
4 answers
asked by
Jay
1,642 views
how to determine the pH of a 200mL solution that contains 0.365g of dissolved HCl?
4 answers
asked by
mark
2,003 views
0.1 mol of HCl is added to 1 L of water.
What is [H+] and [OH-]?
4 answers
asked by
Krystal
2,218 views
At 60 celsius the value of Kw is 9.5x10^-14. considering this waht is the calculated value for the pOH of a 2.00x10^-3 M HCL
5 answers
asked by
HELPP
1,606 views
Vinegar is a solution of acetic acid, a weak acid. How can you produce more acetate ions in the solution?
CH 'subtext' 3 COOH(aq)
4 answers
asked by
emma
1,719 views
At 25 degrees Celsius all of these are true for a neutral solution : pH = 7.00, pOH = 7.00, and [H+] = [OH-] is that correct?
For
6 answers
asked by
Katherine
5,108 views
What is the Ph for the solution made from 11.10mL of 0.278M HCL solution mixed with 70.90mL of 0.1300M ammonia solution? The pKa
4 answers
asked by
Lucy
1,097 views
Give the pH of a solution containing 0.344 g of HCL in 792 mL of water.
I did .344g/36.5g= .009 mols. then i times that by .792
4 answers
asked by
Miley
1,695 views
what is the pH and pOH of a soution with a volume of 5.4 that contains 15 grams of HCl and 25 grams of nitric acid
4 answers
asked by
Anonymous
1,299 views
Calculate the pH after 0.12 mol of NaOH is added to 1.00 L of 0.60 M HF and 1.06 M KF
4 answers
asked by
michele
1,070 views
If 0.630 grams of HNO3 (molecular weight 63.0) are placed in 1 liter of distilled water at 25 degrees C, what will be the pH of
5 answers
asked by
Sharon
2,489 views
what is the pH of a 2.62x10^-1 M NaNO2 solution? NB the pKa for HCN=9.212
12.13 13.42 1.87 8.29 0.58 and also; what is the pH of
4 answers
asked by
Lucinda
1,157 views
PH at the start of yogurt incubation PH6.5 and after 8 hours PH4.4. Using each pH value, calculate the concentration of protons
4 answers
asked by
Ana
427 views
Do strong and weak acids require equal numbers of drops of NaOH to neutralize?
I THINK not....but i am not entirely sure......
4 answers
asked by
Alexa
2,146 views
What is the final pH of the second dilution after adding 1 drop of 0.1 M NaOH?
There were 2 ml of buffer per well Calculate the
4 answers
asked by
Erica
1,700 views
What is the pH of a solution prepared by mixing 50.00 mL of 0.10 M NH3 with 25.00 mL of 0.10 M NH4Cl? Assume that the volume of
4 answers
asked by
John
2,621 views
why is HS- a stronger BL base compared to HSO4
In a series of oxybases with the same central atom, the base with more O atoms is
3 answers
asked by
Hannah
2,150 views
What is the pH of a 2.62 x 10 -1 M HCN solution ? NB the pKa for HCN = 9.212.
4.90 9.21 0.58 11.32 13.42
4 answers
asked by
Lucinda
840 views
concentrated aqueous sulphuric acid is 98% sulphuric acid by mass and has a density of 1.80 g/l. Volume of acid required to make
7 answers
asked by
Pooja
3,314 views
Hi! So, I thought I was very comfortable with distinguishing among Arrhenius, Bronsted-Lowry, and Lewis acids and bases. But
4 answers
asked by
JL
2,257 views
1. Find the pH of a solution whose [H3O+] is 9.5 X 10^ -8 M.
2. What is the [H3O+] concentration of a solution with a pH of 5.45?
5 answers
asked by
kellin
5,692 views
21. Classify the following solutions in order of increasing pH:
a. 0.01 M NaOH b. pure water c. 0.10 M HCl d. 0.05 M NaOH e.
2 answers
asked by
scilover
636 views
Which of the two is the stronger base?Give your reason.
hco3- or co3-2
3 answers
asked anonymously
84 views
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