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dmitriy555 [2]
3 years ago
7

What is the correct formula for the

Chemistry
2 answers:
puteri [66]3 years ago
6 0

Answer:

PbCl2

Explanation:

Pb has a valency of 2

Cl has a valency of 1

During bonding, there will be an exchange of ions as shown below:

Pb^2+ + Cl^- —> PbCl2

Balance the equation by putting 2 in front of Cl-

Pb^2+ + 2Cl^- —> PbCl2

erastova [34]3 years ago
3 0

Answer:

A

Explanation:

cause its easy

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If 10.62 mL of a standard 0.3330 M KOH solution reacts with 98.20 mL of CH3COOH solution, what is the molarity of the acid solut
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It is an example of acid-base neutralization reaction.

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Base           Acid                           Salt                                    

When two component react then the number of moles of both the component should be same, therefore the number of moles and acids and bases should be the same in the following .

Molarity= \frac{\textrm{No. of Moles}}{\textrm{Volume of the Particular Solution}}

No.of moles= Molarity × Volume of the Particular Solution

Therefore,

M_{1}V_{1} =M_{2}V_{2}------------------------------(1)

where

M_{1}= Molarity of Acid

V_{1}= Volume of Acid

M_{2}= Molarity of Base

V_{2}= Volume of Base

M_{1}=0.3330 M

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M_{2}=??(in M)

Plugging in Equation 1,

0.3330 × 10.62 =M_{2}  × 98.2  

M_{2}=\frac{0.3330*10.62}{98.2}

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