All categories

3 years ago

Which ion in each of the following pairs would you expect to be more strongly hydrated Why?ClO4- or SO4-

Chemistry

1 answer:

Viktor [21]3 years ago

3 0

Answer:

ClO₄⁻

Explanation:

When an ion is hydrated it is surrounded by water molecules, thus, as small is the ion, more molecules may surround it, and it will be more strongly hydrated. In this case, the Cl is small than the S atom, because Cl is from group 17, and S from group 16, and Cl has more valence electrons, which will be more attracted to the nuclei.

So, ClO₄⁻ will be more strongly hydrated.

You might be interested in

How many valence electrons does Selenium have

Firlakuza [10]

Answer:

Selenium has 36 valence electrons.

6 0

3 years ago

A titration reaction requires 38.20 mL phosphoric acid solution to react with 71.00 mL of 0.348 mol/L calcium hydroxide to reach

NARA [144]

1a. The balanced equation for the reaction is:

1b. The number of mole of Ca(OH)₂ is 0.0247 mole

1c. The number of mole of H₃PO₄ is 0.0165 mole.

1d. The concentration of H₃PO₄ is 0.432 mol/L

2. The new concentration of the H₃PO₄ solution is 0.0432 mol/L

<h3>1a. The balanced equation for the reaction</h3>

<u>3</u>Ca(OH)₂ + <u>2</u>H₃PO₄ —> Ca₃(PO₄)₂ + <u>6</u>H₂O

<h3>1b. Determination of the mole of Ca(OH)₂</h3>

Volume of Ca(OH)₂ = 71 mL = 71 / 1000 = 0.071 L

Concentration of Ca(OH)₂ = 0.348 mol/L

Mole = Concentration × Volume

Mole = 0.348 × 0.071

<h3>1c. Determination of the mole of H₃PO₄. </h3>

3Ca(OH)₂ + 2H₃PO₄ —> Ca₃(PO₄)₂ + 6H₂O

From the balanced equation above,

3 moles of Ca(OH)₂ reacted with 2 moles of H₃PO₄.

Therefore,

0.0247 moles of Ca(OH)₂ will react with = $\frac{0.0247 * 2}{3}$ = 0.0165 mole of H₃PO₄.

Thus, the number of mole of H₃PO₄ is 0.0165 mole

<h3>1d. Determination of the concentration of H₃PO₄</h3>

Volume of H₃PO₄ = 38.20 mL = 38.20/ 1000 = 0.0382 L

Mole of H₃PO₄ = 0.0165 mole

<h3>Concentration of H₃PO₄ =?</h3>

$Concentration = \frac{mole}{volume} \\\\Concentration = \frac{0.0165}{0.0382}$

<h3>Concentration of H₃PO₄ = 0.432 mol/L</h3>

<h3>2. Determination of the new concentration of the H₃PO₄ solution.</h3>

Initial Volume (V₁) = 10 mL

Initial concentration (C₁) = 0.432 mol/L

New volume (V₂) = 100 mL

<h3>New concentration (C₂) =?</h3>

The new concentration of the H₃PO₄ solution can be obtained as follow:

0.432 × 10 = C₂ × 100

4.32 = C₂ × 100

Divide both side by 100

C₂ = $\frac{4.32}{100}\\$

Therefore, the new concentration of the H₃PO₄ solution is 0.0432 mol/L

Learn more:

brainly.com/question/22466982

brainly.com/question/24720057

3 0

3 years ago

Hello I need help very bad!!!

Oksanka [162]

D. Cell membrane: surrounds a cell and allows substances to pass in and out

6 0

3 years ago

What is another name for a condensation reaction? what is another name for a condensation reaction? water formation catabolism d

gregori [183]

Condensation is a chemical reaction in which two molecules are combined together and as a product formed a large molecule. There is also loss of small molecules in the condensation reaction. And mostly the functional groups combined in the reaction.
The other name for a condensation reaction is dehydration. As there is loss of molecule in condensation reaction, when that molecule is water it is said to be dehydration.

3 0

4 years ago

Read 2 more answers

How do i tell someone i like them?

lorasvet [3.4K]

Answer:

just tell that someone you like them

you can just make them feel it, I'm sure that someone will get it and if that someone don't then just tell the someone you like them.

and say why them can't it be just her or him ?

I mean that someone is juat one right

4 0

3 years ago