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2 years ago

Identify the Lewis acid and Lewis base in each reaction:Na⁺ + 6H₂O ⇆ Na (H₂O)⁺₆

Chemistry

1 answer:

klemol [59]2 years ago

4 0

In the reaction, Na⁺ + 6H₂O ⇆ Na (H₂O)⁺₆, Na⁺ is a Lewis acid and H₂O is a Lewis base.

<h3>What is a Lewis acid-base reaction?</h3>

According to the Lewis theory of acid-base reactions, acids accept pairs of electrons and bases donate pairs of electrons.
Any substance like H+ ion, which is capable of accepting a pair of nonbonding electrons or an electron-pair acceptor is known as a Lewis acid.
Any substance, like the OH- ion, that is capable of donating a pair of nonbonding electrons or an electron-pair donor is a Lewis base.
Here Na⁺ that is electron deficient accepts electrons from the electron donor, H₂O
From the Lewis theory, with no change in the oxidation numbers of any atoms, acids react with bases to share a pair of electrons.

To learn more about Lewis acid-base reactions: brainly.com/question/14861040

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3 years ago

What volume of H2O is formed at stp when 6.0g of Al is treated with excess NaOH?

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Answer : The volume of $H_2O$ is 14.784 L.

Solution : Given,

Mass of Aluminium = 6 g

Molar mass of Aluminium = 27 g/mole

First we have to calculate the moles of aluminium.

Moles of Al = $\frac{\text{ Given mass of Al}}{\text{ Molar mass of Al}}=\frac{6g}{27g/mole}=0.22moles$

The given balanced reaction is,

$2NaOH+2Al+6H_2O\rightarrow 2NaAl(OH)_4+3H_2$

From the reaction, we conclude that

2 moles of Al react with the 6 moles of $H_2O$

0.22 moles of Al react with $\frac{6}{2}\times 0.22=0.66moles$ of $H_2O$

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As, 1 mole of $H_2O$ contains 22.4 L volume of $H_2O$

0.66 moles of $H_2O$ contains $(22.4)\times (0.66)=14.784L$ volume of $H_2O$

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3 years ago

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4 years ago

This is the chemical formula for acetic acid (the chemical that gives the sharp taste to vinegar): an analytical chemist has det

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<h3>Answer:</h3>

3.2 moles of Oxygen

<h3>Explanation:</h3>

Acetic Acid having chemical formula C₂H₄O₂ and structural formula attached below is the second member of carboxylic family in organic compounds. It is commonly used as vinegar<em> i.e</em>. a mixture containing 5 % Acetic acid and 95 % water.

As shown in structure 1 mole of Acetic acid contains 2 moles of Carbon atoms, 4 moles of Hydrogen atoms and 2 moles of Oxygen atoms respectively. Hence, the number of moles of Oxygen atoms contained by acetic acid containing 3.2 moles of Carbon is calculated as,

2 moles of C accompany = 2 moles of O

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3.2 moles of C will accompany = X moles of O

Solving for X,

X = (3.2 mol C × 2 mol O) ÷ 2 mol C

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3 years ago