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3 years ago

8

What is a solution?

1 answer:

MariettaO [177]3 years ago

4 0

Answer:

A

Explanation:

A solution is homogeneous mixture composed of only one phase where a solute is dissolved into a solvent.

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Water molecules move througout the solute

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3 years ago

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.

Misha Larkins [42]

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!

8 0

3 years ago

How much do 3.01 x 1023 atoms of Helium weigh?

liraira [26]

Answer:

4.0 grams

Explanation:

I hope that helped!!

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3 years ago