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IRINA_888 [86]
3 years ago
10

What is the name of this hydrocarbon?

Chemistry
2 answers:
Ad libitum [116K]3 years ago
5 0
A. 2,3-dimethylpentane
Hoochie [10]3 years ago
4 0
2,3-dimethylpentane          
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Hopefully I’m right and hopefully that helps.
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How many sulfur dioxide<br> molecules are in 2.8 moles of<br> sulfur dioxide?<br> ?]<br> [?]x10?
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What is the meaning of resolution in science?
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7 0
2 years ago
Calcium hydroxide is a strong base but is not very soluble ( Ksp = 5.02 X 10-6 ). What is the pH of a saturated solution of Ca(O
Misha Larkins [42]

Answer : The pH of a saturated solution is, 12.33

Explanation : Given,

K_{sp} = 5.02\times 10^{-6}

First we have to calculate the solubility of OH^- ion.

The balanced equilibrium reaction will be:

Ca(OH)_2\rightleftharpoons Ca^{2+}+2OH^-

Let the solubility will be, 's'.

The concentration of Ca^{2+} ion = s

The concentration of OH^- ion = 2s

The expression for solubility constant for this reaction will be,

K_{sp}=[Ca^{2+}][OH^-]^2

Let the solubility will be, 's'

K_{sp}=(s)\times (2s)^2

K_{sp}=(4s)^3

Now put the value of K_[sp} in this expression, we get the solubility.

5.02\times 10^{-6}=(4s)^3

s=1.079\times 10^{-2}M

The concentration of Ca^{2+} ion = s = 1.079\times 10^{-2}M

The concentration of OH^- ion = 2s = 2\times (1.079\times 10^{-2}M)=2.158\times 10^{-2}M

First we have to calculate the pOH.

pOH=-\log [OH^-]

pOH=-\log (2.158\times 10^{-2})

pOH=1.67

Now we have to calculate the pH.

pH+pOH=14\\\\pH=14-pOH\\\\pH=14-1.67=12.33

Therefore, the pH of a saturated solution is, 12.33

7 0
3 years ago
Zoom anyone wants to join
FinnZ [79.3K]
Send the link code I’ll join
6 0
2 years ago
Read 2 more answers
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