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monitta
4 years ago
15

Consider the hydrate below. FeCl3•6H2O

Chemistry
1 answer:
fiasKO [112]4 years ago
5 0
So this is nomenclature.
The name would be Iron (III) Chloride Hexahydrate
Reason why it's Iron (III) is because of the 3 after Cl, if you take FeCl3 apart it's Fe^{3+} and Cl^-.
Hexahydrate because hexa = 6 and hydrate=water

The term hydrate would be wrong because that clearly doesn't come first

It would be the anhydrous compound that comes first. The "an" in "anhydrous" means "without". Hydrous=water, so anyhdrous= without water
The part without water is FeCl3. The water is 6H2O

The prefix for the coefficient of water is 6, or hexa, but that's not first in the name
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Determine the empirical formula of a compound containing 48.38 grams of carbon, 8.12 grams of hydrogen, and 53.5 grams of oxygen
Lisa [10]

Answer:

1. The empirical formula is CH2O

2. The molecular formula is C6H12O6

Explanation:

Data obtained from the question include:

Carbon (C) = 48.38g

Hydrogen (H) = 8.12g

Oxygen (O) = 53.5g

Molar Mass of the compound = 180.15 g/mol

1. The empirical formula can be obtained as follow:

C = 48.38g

H = 8.12g

O = 53.5g

Divide each by their molar mass

C = 48.38/12 = 4.032

H = 8.12/1 = 8.12

O = 53.5/16 = 3.344

Next, divide by the smallest

C = 4.032/3.344 = 1

H = 8.12/3.344 = 2

O = 3.344/3.344 = 1

Therefore, the empirical formula is CH2O.

2. The molecular formula is mostly a multiple of the empirical i.e

Molecular formula => [CH2O]n

Now, we need to find the value of 'n' in order to obtain the molecular formula.

From the question given, we were told that the molar mass of the compound is 180.15 g/mol. With this information, the molecular formula can be obtained as follow:

[CH2O]n = 180.15

[12 + (2x1) + 16]n = 180.15

[12 + 2 + 16]n = 180.15

30n = 180.15

Divide both side by the coefficient of n i.e 30

n = 180.15/30

n = 6

Therefore, the Molecular formula is

=> [CH2O]n

=> [CH2O]6

=> C6H12O6

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3 years ago
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2 years ago
Question 2 (1 point)
Alexxandr [17]

Answer:

a mole have have wrong becouse i understand

4 0
3 years ago
Which family is made up of all radioactive elements
VARVARA [1.3K]

Answer:

actinide family

Explanation:

3 0
3 years ago
1. The forks shown are made of silver (Ag). Some of the silver forks
Anon25 [30]

Answer:

Corrosion

Explanation:

Silver, although known as a nobble metal, is also subject to corrosion process such as having silver tarnish when exposed to sulfur and air.

Tarnishing occurs on the surfaces of some metals such as brass, copper, and silver, which results in a corroded layer. Silver tarnish occurs from the chemical reaction that takes place when silver is exposed to sulfur which results in the formation of black Ag₂S

In order to restore the original silver surface, the silver tarnish (silver sulfide) layer is removed.

We have the statement presented here as follows;

The forks shown are made of silver (Ag). Some of the silver forks shown have lost their luster - they have become tarnished. This is an example of <u>Corrosion.</u>

4 0
3 years ago
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