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VikaD [51]
3 years ago
14

Another student whose name is geraldine brought 2 litro packs of orange juice and 6 liters of bottled water. the ideal mixture t

o make a moderate fruity taste orange juice must contain 1 litro pack of juice per 1.2 liters of water . during the preparation, she mixed 2 litro packs of orange juice and 3 liters of water . is the orange bland , moderate fruity or too much concentrated ? justify your answer
patulong po ​
Chemistry
1 answer:
Galina-37 [17]3 years ago
7 0

Answer:

my Ins.tagram I'd:22770

will you please msg me

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If 21.00 mL of a 0.68 M solution of C6H5NH2 required 6.60 mL of the strong acid to completely neutralize the solution, what was
Andru [333]

Answer:

pH = 2.46

Explanation:

Hello there!

In this case, since this neutralization reaction may be assumed to occur in a 1:1 mole ratio between the base and the strong acid, it is possible to write the following moles and volume-concentrations relationship for the equivalence point:

n_{acid}=n_{base}=n_{salt}

Whereas the moles of the salt are computed as shown below:

n_{salt}=0.021L*0.68mol/L=0.01428mol

So we can divide those moles by the total volume (0.021L+0.0066L=0.0276L) to obtain the concentration of the final salt:

[salt]=0.01428mol/0.0276L=0.517M

Now, we need to keep in mind that this is an acidic salt since the base is weak and the acid strong, so the determinant ionization is:

C_6H_5NH_3^++H_2O\rightleftharpoons  C_6H_5NH_2+H_3O^+

Whose equilibrium expression is:

Ka=\frac{[C_6H_5NH_2][H_3O^+]}{C_6H_5NH_3^+}

Now, since the Kb of C6H5NH2 is 4.3 x 10^-10, its Ka is 2.326x10^-5 (Kw/Kb), we can also write:

2.326x10^{-5}=\frac{x^2}{0.517M}

Whereas x is:

x=\sqrt{0.517*2.326x10^{-5}}\\\\x=3.47x10^-3

Which also equals the concentration of hydrogen ions; therefore, the pH at the equivalence point is:

pH=-log(3.47x10^{-3})\\\\pH=2.46

Regards!

6 0
3 years ago
Metallic bonds form between what kinds of atoms?
valentinak56 [21]

Answer: A metallic bond is a type of chemical bond formed between positively charged atoms in which the free electrons are shared among a lattice of cations. In contrast, covalent and ionic bonds form between two discrete atoms. Metallic bonding is the main type of chemical bond that forms between metal atoms.

Explanation:

NOT MY WORDS! I HOPE THIS HELP!!!!!

3 0
3 years ago
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They saw that the rock was deep purple. A quantitative B qualitative
Anika [276]
I think B qualitative is the answer
7 0
3 years ago
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How many electrons can occupy the second energy level?
KatRina [158]

。☆✼★ ━━━━━━━━━━━━━━  ☾  

It would be 8 electrons.

(The first energy level can only have 2)

Have A Nice Day ❤    

Stay Brainly! ヅ    

- Ally ✧    

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6 0
3 years ago
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What would the pOH of a solution be if the pH is 9.4
Alika [10]
<h2>Answer:</h2>

pOH = 4.6

<h2>Explanations:</h2>

The sum of pH and pOH of a solution is 14as shown:

pH+pOH=14

Given the following parameter

pH = 9.4

Substitute the given parameters into the formula to have:

\begin{gathered} 9.4+pOH=14 \\ pOH=14-9.4 \\ pOH=4.6 \end{gathered}

Hence the pOH of the solution of pH of 9.4 is 4.6

4 0
1 year ago
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