How many electrons do atoms usually want in their outermost orbital?(Octet Rule)

Chemistry

1 answer:

Assoli18 [71]2 years ago

6 0

Answer:

Explanation:

According to octet rule, they need 8 electrons in their outermost shell to be stable.But the maximum electrons that can be accomodated in each shell varies and the outermost electron of

in the outermost orbital of the given element depends upon it

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In the titration of a solution of Sodium hydroxide, an acid titrant was prepared by diluting 125.0 mL of 10.00 mol/L Nitric acid

harina [27]

Answer:

1.395M NaOH

Explanation:

Sodium hydroxide, NaOH, reacts with nitric acid, HNO3, as follows:

NaOH + HNO3 → NaNO3 + H2O

Where 1mol of NaOH reacts with 1mol of HNO3

To solve this question we must find the concentration of the titrant. With the concentration and the needed acid we can find the moles of HNO3 added = moles NaOH in the solution. With the moles of NaOH and its volume we can find its concentration as follows:

HNO3 concentration:

10.00mol/L HNO3 * (125.0mL/500.0mL) = 2.500M HNO3

Moles HNO3 = Moles NaOH:

16.74mL = 0.01674L*(2.500mol/L) = 0.04185 moles HNO3 = Moles NaOH

Concentration NaOH:

0.04185 moles / 0.0300L =

1.395M NaOH

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2 years ago

write the chemical formula of the following compounds sodium sulfate magnesium chloride aluminum nitrate ammonium sulfate

tekilochka [14]

Explanation: