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IRISSAK [1]
4 years ago
14

What is the ph of a 7.5*10^-3 m H+ solution

Chemistry
2 answers:
Serggg [28]4 years ago
7 0

Answer:

The answer is 2.13

Explanation:

natulia [17]4 years ago
6 0
The pH+ of solution is 3
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What is the pH of a solution with a hydronium concentration of 0.36 M?
kodGreya [7K]

Answer:

<h2>0.44 </h2>

Explanation:

The pH of a solution can be found by using the formula

pH = - log [ { H_3O}^{+}]

From the question we have

pH =  -  log(0.36)  \\  = 0.4436...

We have the final answer as

<h3>0.44</h3>

Hope this helps you

8 0
3 years ago
What is the ph of a 0.40 m h2se solution that has the stepwise dissociation constants k a1 = 1.3 × 10-4 and k a2 = 1.0 × 10-11?
umka2103 [35]
First, we can neglect the Ka2 value and use Ka1:

according to this equation and by using the ICE table:

              H2Se ⇄  H+ +HSe-
initial    0.4 M         0       0 
change  -X             +X        +X 
Equ      (0.4-X)         X           X

so,

Ka1 = [H+][HSe-] / [H2Se]

so by substitution:

1.3 x 10^-4 = X*X / (0.4 -X) by solving for X

∴X  = 0.00715

∴[H+] = 0.00715 m

∴PH = -㏒[H+]
        = -㏒ 0.00715
        = 2.15
3 0
3 years ago
Which type of chemical reaction occurs in Ca + Cl2 +CaCl2?
NARA [144]

almost positive that its synthesis

4 0
3 years ago
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(4x2 + 5x) - (7x - 3x2 + 1)​
Tanya [424]

Answer:

7x2−2x−1

Explanation:

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8 0
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