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Korvikt [17]
3 years ago
7

What kind of orbital is occupied by the lone pair electrons in caffeine molecule?

Chemistry
1 answer:
Nataly [62]3 years ago
8 0
The middle nitrogen has two sigma bonds and one pi bond. You know that one p orbital is used in the double bond and two sp2 orbitals are involved in the sigma bond. This leaves one sp2 orbital for the lone pair to occupy.
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Which of the following elements does not form an ion with a charge of plus one hydrogen fluorine sodium or potassium
Reil [10]

Answer:

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6 0
3 years ago
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If the percent (mass/mass) for a solute is 8% and the mass of the solution is 200 g, what is the mass of solute in solution?
tatyana61 [14]

Answer:

The answer to your question is  16 g

Explanation:

Data

Percent by mass = 8%

Mass of the solution = 200 g

Mass of solute = ?

Formula

Percent by mass = mass of solute / mass of solution x 100

- Solve for mass of solute

  Mass of solute = Percent by mass x mass of solution / 100

- Substitution

   Mass of solute = 8 x 200 / 100

- Simplification

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- Result

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Explanation:

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it is already balanced

REACTANTS

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PRODUCT

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