3 years ago

Can someone help me with this question please? I don’t understand molarity

Chemistry

1 answer:

lozanna [386]3 years ago

8 0

Answer:

4.7L

Explanation:

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Wittaler [7]

Answer:

2.475 mol of O2 formed.

Explanation:

Given 1.65 moles of KClO3 as the target amount in the reactant, used the coefficient of the balanced chemical reaction involved to determine the number of moles of O2 molecules formed.

x mole of O2 = 1.65 mol KClO3 x [(3 mol O2)/ (2 mol KClO3)] = 2.475 mol of O2

x mole of O2 formed = 2.475 mol of O2

5 0

3 years ago

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8090 [49]

Answer:

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Explanation:

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3 years ago

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Setler [38]

Answer
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3 years ago

PLEASE HELP!!!

Kaylis [27]

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3 years ago

When a solid with a mass of 53.78 g is added to 50.0 ml of water in a graduated cylinder, the volume increases to 56.4 ml. Calcu

Bad White [126]

Answer:

<h3>The answer is 8.40 g/mL</h3>

Explanation:

The density of a substance can be found by using the formula

$density = \frac{mass}{volume} \\$

volume = final volume of water - initial volume of water

volume = 56.4 - 50 = 6.4 mL

We have

$density = \frac{53.78}{6.4} \\ = 8.403125$

We have the final answer as

Hope this helps you

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3 years ago