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DiKsa [7]
3 years ago
12

Hiiiiii guys how are you kinda feeling lonely​

Chemistry
2 answers:
galben [10]3 years ago
7 0

Answer:

hii

Thankyou for points!!!!!!!!

NeX [460]3 years ago
5 0

Answer:

Are u ok girl

Explanation:

u kinda not feel good

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Question is in the screen shot.
monitta

Answer:

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Explanation:

3 0
2 years ago
Glycolic acid, which is a monoprotic acid and a constituent in sugar cane, has a pKa of 3.9. A 25.0 mL solution of glycolic acid
slava [35]

Answer:

pH of resulting solution = 7.98

Explanation:

The balanced equation  

HA + NaOH - Na+ + A- + H2O

Number of moles of A = Number of moles of HA  = Number of moles of NaOH

= 35.8/1000 * 0.020 = 0.000716 mol

Initial concentration of A = 0.000716/0.0608 = 0.01178 M

pKb = 14 – pKa = 14 -3.9 = 10.1

Kb = 10^{-Kb} = 10^{-10.1} = 7.943 * 10^-11

Kb = [HA][OH-]/[A-]

Kb = a^2/(0.01178 -a) = 7.943 * 10^-11

a^2 + 7.943 * 10^-11 a – 9.357 * 10^-13 = 0

a = 9.673 * 10^-7

OH- = a = 9.673 * 10^-7 M

pOH = -log [OH-] = -log (9.673 * 10^-7) = 6.02

pH = 14-6.02 = 7.98

8 0
2 years ago
If two elements are in the same column what do they have in common
nikdorinn [45]
They have the same number of electrons in their outer shells. Elements in the same group often share similar chemical properties because the outer electrons generally determine a lot of their properties
3 0
4 years ago
& For the reaction A
iVinArrow [24]

Answer:

The rate reduces by a factor cf /2.

5 0
3 years ago
This is about rocks and/or minerals
vampirchik [111]
I need the same answer
5 0
3 years ago
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