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3 years ago

8

A double-replacement reaction takes place when aqueous cobalt (III) chloride reacts with aqueous lithium hydroxide. One of the p

roducts of this reaction is

1 answer:

olga55 [171]3 years ago

5 0

The correct answer is Co(OH) 3

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According to the data in the table, which sample of matter is most likely a metal?

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Substance 3 Is most likely to be a Metal for Its malleability and conductive properties.

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4 years ago

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The electron configuration of an atom in the ground state is

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Explanation:

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3 years ago

An object is moving in a straight line at a constant speed.What will happen to the object if no outside force acts on the object

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C is correct answer.

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3 years ago

How many acetone molecules are in a bottle of acetone with a volume of 445 mL ? (density of acetone = 0.788 g/cm3).

Mkey [24]

<h2>Hello!</h2>

The answer is: $3.63x10^{24}particles$

<h2>Why?</h2>

First, we need to calculate the molecular weight of the acetone (CH3COCH3)

So,

$C=12.011g/mol\\O=15.99g/mol\\H=1.008g/mol$

Then,

$CH3COCH3=12.011+(1.008)*3+12.011+15.999+12.011+(1.008)*3=58.08g/mol$

Second, we need to calculate the mass of the acetone in the bottle

We need to remember that $1cm^{3}=1mL$

So,

$445cm^{3}*\frac{0.788g}{cm^{3}}=350.66g$

Third, we need to calculate the number of moles:

$350.66g*\frac{1mol}{58.08g}=6.03moles$

Fourth, we need to calculate the number of atoms:

Remember, $1 mol=6.022x10^{23}particles$

Therefore,

$6.03moles*\frac{6.022x10^{23}particles }{1mol}=3.63x10^{24}particles$

Have a nice day!

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4 years ago

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What is the Molarity of a solution with 1.8 mil KCl dissolved to a volume of 1.5L

vova2212 [387]

Answer:1.2M

Explanation:

Molarity=number of moles ➗ volume in liters

Molarity=1.8 ➗ 1.5

Molarity=1.2M

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3 years ago