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ikadub [295]
3 years ago
13

A single atom of an element has 11 protons, 11 electrons, and 12 neutrons. Which element is it?

Chemistry
1 answer:
nataly862011 [7]3 years ago
8 0

Answer:

Na

Explanation:

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Which of the following describes a chemical property of oxygen
monitta

Which of the following describes a chemical property of oxygen

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2 years ago
A chemist must calculate the amount of an element needed for a chemical reaction. The reaction requires 3.4 moles of silver. Hel
zvonat [6]

Answer:

3.4 moles of silver * 107.868 grams of silver/1 mole of silver = 370 grams of silver.

Explanation:

According to the NYS Reference Table, one mole of silver equates to 107.868 grams. Therefore, if you want to convert from moles to grams, the mole unit should be on the bottom, since it is the unit being cancelled out. Above the mole unit should be the gram unit, since it is the unit you want to convert to. Once you do the math with significant figures, the solution turns out to be 370 grams of silver.

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3 years ago
How many different E2 products can form from the dehalogenation of 2-bromobutane
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Two products: 1-butane and 2-butane.
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3 years ago
How many moles of ammonia, NH3, are in 6.5x10^25 molecules of ammonia?
Irina-Kira [14]

Answer:

<h3>The answer is 103.82 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{6.25 \times  {10}^{25} }{6.02 \times  {10}^{23} }  \\  = 103.82059...

We have the final answer as

<h3>103.82 moles</h3>

Hope this helps you

7 0
3 years ago
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