3 years ago

Please help me I will give you 10 points

Chemistry

1 answer:

Vaselesa [24]3 years ago

5 0

Answer:

red ig

Explanation:

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What is the mass of oxygen in 1 mole of NaHCO3?

Serga [27]

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48.00

Explanation:

3 oxygen (15.99 x 3)= 48

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3 years ago

Magnesium has two electrons in its outer shell and chlorine has seven electrons in its outer shell how are the electrons transfe

HACTEHA [7]

Thru ionic bonding. The oppositely charged ions attract each other so ionic bond forms. Ionic bonding occurs when a metal bonds with a non-metal.

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Zarrin [17]

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Determine the number of moles of Sulfur in 3.73 x 1035 atoms of S?

vivado [14]

The number of moles : 6.2 x 10¹¹

<h3>Further explanation </h3>

The mole is the number of particles contained in a substance

1 mole = 6.02.10²³ particles

$\tt N=n\times No$

N = number of particles

n = moles

No = Avagadro's number : 6.02.10²³

3.73 x 10³⁵ atoms of S

the number of moles :

$\tt \dfrac{N}{No}=\dfrac{3.73\times 10^{35}}{6.02\times 10^{23}}=6.2\times 10^{11}$

7 0

2 years ago

Please help me I will give you 10 points​

Please help me I will give you 10 points