3 years ago

Which of these pairs would form an ionic bond?

Chemistry

2 answers:

Nina [5.8K]3 years ago

8 0

Answer:

The answer is A.) K and Br

Explanation:

Got it right on edge 2020 and the credit goes to the guy above me :P

KATRIN_1 [288]3 years ago

6 0

A) K and Br

Ionic compounds are compounds in which mostly a metal and non-metal bond. Potassium (K) is a metal and Bromine (Br) is a non-metal.

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Write the balanced equation. Then calculate the volume of 0.65 M HCl required to completely neutralize 400.0 ml of 0.88 M KOH.

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Hello!

The balanced equation for the neutralization of KOH is the following:

HCl(aq) + KOH(aq) → KCl(aq) + H₂O(l)

To calculate the volume of HCl required, we can apply the following equation:

$moles HCl = moles KOH \\ \\ cHCl*vHCl=cKOH*vKOH \\ \\ vHCl= \frac{cKOH*vKOH}{cHCl}= \frac{400 mL*0,88M}{0,65M}= 541,54mL$

So, the required volume of HCl is 541,54 mL

Have a nice day!

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