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mestny [16]
2 years ago
6

Chlorine has a atomic number of 17. It often forms an ion by gaining 1 electron. What would it's charge be?

Chemistry
1 answer:
kvasek [131]2 years ago
5 0

Answer:

The charge would be -1.

Explanation:

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What is the mass if 1.72 moles of sodium nitrate
alexgriva [62]

Answer:

146 g

Explanation:

Step 1. Calculate the <em>molar mass</em> of NaNO₃

Na =                    22.99

  N =                     14.01

3O = 3 × 16.00 = 48.00

               Total = 85.00 g/mol

Step 2. Calculate the <em>mass</em>  of NaNO₃

Mass of NaNO₃ = 1.72 × 85.00/1

Mass of NaNO₃ = 146 g

8 0
2 years ago
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2 Points<br> What is the oxidation state of Cl in HCIO3?<br> A:+5 <br> B:-1<br> C:+6 <br> D: -7
Olenka [21]

Answer:

The oxidation state of Cl in HCIO3 is <u><em>+5</em></u>

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2 years ago
Which of the following is always equal to the number of protons in an atom 1pc
valentinak56 [21]

Answer:

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5 0
2 years ago
the energy transformation that occurs when a firework goes off is a chemical to thermal to light and sound. however, some of the
quester [9]

Answer:

false

Explanation:

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7 0
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Find the number of molecules in .815 mole of O2​
Simora [160]

Answer:

4.9 × 10²³ molecules

Explanation:

Given data:

Number of molecules = ?

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Solution:

The given problem will solve by using Avogadro number.

It is the number of atoms , ions and molecules in one gram atom of element, one gram molecules of compound and one gram ions of a substance.

The number 6.022 × 10²³ is called Avogadro number.

1 mole = 6.022 × 10²³ molecules

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4.9 × 10²³ molecules

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2 years ago
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