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PolarNik [594]
3 years ago
8

A neutral atom of helium has 2 protons and _____ electrons. (Enter a whole number.)

Chemistry
1 answer:
Mariulka [41]3 years ago
6 0

Answer:

2 electrons

Explanation:

Since the atomic structure is at it's neutral state

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If you are using 3.00% (mass/mass) hydrogen peroxide solution and you determine that the mass of solution required to reach the
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Answer:

0.004522 moles of hydrogen peroxide molecules are present.

Explanation:

Mass by mass percentage of hydrogen peroxide solution = w/w% = 3%

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w/w\% = \frac{x}{m}\times 100

3\%=\frac{x}{5.125 g}\times 100

x=\frac{3\times 5.125 g}{100}=0.15375 g

Mass of hydregn pervade in the solution = 0.15375 g

Moles of hydregn pervade in the solution :

=\fraC{ 0.15375 g}{34 g/mol}=0.004522 mol

0.004522 moles of hydrogen peroxide molecules are present.

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3 years ago
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Answer: the false statement is:

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What is meant by polar molecule?
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