3 years ago

The ratio of atoms of potassium to ratio of atoms of oxygen is

Chemistry

1 answer:

DanielleElmas [232]3 years ago

5 0

The ratio of atoms of potassium to ratio of atoms of oxygen is 2:1

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KMnO4<br><br> Assign oxidation numbers to each element in this compound.

zysi [14]

K=+1

Mn= +7

O= -2

That’s it!!!

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3 years ago

Samira has two pens. She wants to know which pen was used to write a note. She labels her pens A and B. She puts a sample of ink

Ann [662]

Answer:

Explanation:

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2 years ago

For "gas in liquid solution", which of the following will act as a solute?

svlad2 [7]

Answer:gas

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2 years ago

What is the molarity of a solution that is made by mixing 35.5 g of Ba(OH)2 in 325 ml of solution?

choli [55]

Answer:

$M=0.638M$

Explanation:

Hello!

In this case, since the molarity of a solution is calculated by diving the moles of solute by the volume of solution in liters, we first compute the moles of barium hydroxide in 35.5 g as shown below:

$n=35.5g Ba(OH)_2*\frac{1molBa(OH)_2}{171.34gBa(OH)_2}\\\\n=0.207mol$

Then, the liters of solution:

$V=325mL*\frac{1L}{1000mL} =0.325L$

Finally, the molarity turns out:

$M=\frac{0.207mol}{0.325L}\\\\M=0.638M$

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3 years ago

Delocalization which occurs through overlap between stigma and p orbitals

elixir [45]

Answer:

Single covalent bonds that form between nuclei are created from the "head-to-head" overlap of orbitals and are called stigma (s) bonds. ... Another type of bond, a pi (p) bond is formed when two p orbitals overlap. Pi bonds are found in double and triple bond structures

Explanation:

Delocalization happens when electric charge is spread over more than one atom. For example, bonding electrons may be distributed among several atoms that are bonded together.

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3 years ago