What type of substances is filtration useful for seperating? Give me an example.
1 answer:
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Answer:
<em>The accurate label for the solution is</em><em> </em><u><em>2.00 mol/L NaCl.</em></u>
Explanation:
Molrity = mass ÷ molar mass
Molar mass of NaCL = 58.44 g/mol
Weighed mass = 116.9g
⇒ Molarity of the solution = = 2.0M
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<em>Therefore, the accurate label for the solution is </em><u><em>2.00 mol/L NaCl.</em></u>
Answer : The option (d) is not a conjugate acid-base pair.
Explanation :
According to the Bronsted Lowry concept, Bronsted Lowry-acid is a substance that donates one or more hydrogen ion in a reaction and Bronsted Lowry-base is a substance that accepts one or more hydrogen ion in a reaction.
Or we can say that, conjugate acid is proton donor and conjugate base is proton acceptor.
(a) The equilibrium reaction will be,
In this reaction, are act as a conjugate acid-base.
(b) The equilibrium reaction will be,
In this reaction, are act as a conjugate acid-base.
(c) The equilibrium reaction will be,
In this reaction, are act as a conjugate acid-base.
(d) The equilibrium reaction will be,
In this reaction, are act as a conjugate base-acid.
Hence, from this we conclude that, the option (d) is not a conjugate acid-base pair but it is a act as conjugate base-acid.