3 years ago

Why does increasing concentration usually increase reaction rate?

Chemistry

2 answers:

nignag [31]3 years ago

8 0

<span>C) There are more particle collision</span>

Alex Ar [27]3 years ago

3 0

The correct answer is C) There are more particle collision

With more particle collision, more reactions are created.

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How many moles are equal to 1.3 x 1024 atoms of aluminum?

marshall27 [118]

Answer:

<h3>The answer is 2.16 moles</h3>

Explanation:

To find the number of moles in a substance given it's number of entities we use the formula

$n = \frac{N}{L} \\$

where n is the number of moles

N is the number of entities

L is the Avogadro's constant which is

6.02 × 10²³ entities

From the question we have

$n = \frac{1.3 \times {10}^{24} }{6.02 \times {10}^{23} } \\ = 2.159468...$

We have the final answer as

<h3>2.16 moles</h3>

Hope this helps you

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