1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
Ipatiy [6.2K]
3 years ago
9

A solution of a concentration of H+ (10-4 M) has a pH of​

Chemistry
1 answer:
Alecsey [184]3 years ago
3 0

Answer:

pH = 4

Explanation:

pH = -log[H⁺] = -log(10⁻⁴) = -(-4) = 4

You might be interested in
A 0.100 M oxalic acid, HO2CCO2H, solution is titrated with 0.100 M KOH. Calculate the pH when 25.00 mL of oxalic acid solution i
____ [38]

Answer:

pH = 4.09

Explanation:

molarity of oxalic acid in the solution

         = 0.1 x 25 / (25 + 35)

         = 0.0417 M

molarity of NaOH in the solution

          = 0.1 x 35 / (25 +35)

         = 0.0583 M

H2C2O4 + NaOH -------------------> NaHC2O4 + H2O

0.0417          0.0583                            0                0

0                      0.0166                         0.0417

now second acid -base titration  

NaHC2O4 + NaOH -------------------> Na2C2O4 + H2O

0.0417             0.0166                              0                0

0.0251                 0                                  0.0166         ---

now

pH = pKa2 + log [Na2C2O4 / NaHC2O4]

pH = 4.27 + log (0.0166 / 0.0251)

pH = 4.09

3 0
3 years ago
D. Energy is lost as body heat by each organism
dimaraw [331]
A and D I’m not sure tho
5 0
3 years ago
A welding torch requires 602.1 L of ethylene gas at 2.77 atm. What will be the pressure of the gas if ethylene is supplied by a
Katarina [22]
PV=PV
(602.1 L)(2.77atm) = (110.6 L) (X atm)
1667.817=110.6X
15.07971971 atm = X
Rounds to 15.1 (sig figs so much fun)
8 0
2 years ago
PLEASE HELP!!
LUCKY_DIMON [66]

Answer:

5.1 - 2.3685 = 2.7315 \\

3 0
2 years ago
70 oz of protein how many grams of protein are
Snowcat [4.5K]
There is a bout 7 grams of protein in 1 ounce of meat, so 7*70=
3 0
3 years ago
Read 2 more answers
Other questions:
  • A mixture of gaseous reactants is put into a cylinder, where a chemical reaction turns them into gaseous products. The cylinder
    14·1 answer
  • Calcium hydride (CaH2) reacts with water to form hydrogen gas: CaH2(s) + 2H2O(l) → Ca(OH)2(aq) + 2H2(g) How many grams of CaH2 a
    13·1 answer
  • ilver bromide is used to coat ordinary black-and-white photographic film, while high-speed film uses silver iodide. (a) When 56.
    6·1 answer
  • Which of the following statements is not true?
    8·1 answer
  • Hola, podrían reseolverme estos problemas? Principalmente el último. Gracias 1. Al mezclar una disolución acuosa de CaCl2 con ot
    6·1 answer
  • Y’all pls help me with this I’m literally so done
    10·1 answer
  • 20 points to whoever can answer these 3 questions correctly
    10·1 answer
  • What sound is produced when lithium react with water?
    8·1 answer
  • Which two kingdoms are the only prokaryotes
    6·1 answer
  • I have no idea what this is about, I keep reading it over and other again, but I still don't understand! Help?
    14·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!