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Doss [256]
3 years ago
7

What mass of KCl is contained in 3.00 L of solution that has a molarity of 1.50M

Chemistry
2 answers:
Soloha48 [4]3 years ago
8 0

Answer:

335.25g

Explanation:

using equation of molarity

Butoxors [25]3 years ago
8 0

Answer:

The solution contains 335.5 grams of KCl

Explanation:

Step 1: Data given

Volume of the KCl solution = 3.00 L

Molarity of the KCl solution = 1.50 M

Molar mass of KCl = 74.55 g/mol

Step 2: Calculate moles KCl

Moles KCl = molarity KCl solution * volume KCl solution

Moles KCl = 1.50 M * 3.00 L

Moles KCl = 4.50 moles

Step 3: Calculate mass of KCl

Mass KCl = moles KCl * molar mass KCl

Mass KCl = 4.50 moles * 74 .55 g/mol

Mass KCl = 335.5 grams

The solution contains 335.5 grams of KCl

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kumpel [21]
Let's balance step by step. We'll start with Iron (Fe)
Fe2O3 + HCl --> FeCl3 + H2O
We have 2 Fe on the left, and only one on the right, so we'll double the Fe on the right
Fe2O3 + HCl --> 2FeCl3 + H2O
Now we have six Cl on the right, and only one on the left, so we'll multiply the Cl by six on the left
Fe2O3 + 6HCl --> 2FeCl3 + H2O
Finally, we can balance the water, as we have 6 H and 3 O on the left, and 2 H and one O on the right, so we can triple the H2O on the right
Fe2O3 + 6HCl --> 2FeCl3 + 3H2O
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3 years ago
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5 0
3 years ago
Read 2 more answers
A mole of Big Macs stacked would reach from the earth to the moon and back how many times?
OLga [1]
A mol=6.02*10^23
so
distance from earth to moon is 230,100 miles
1 big mac is about 2 inches
1 mile=5280 feet=63360inches

230,100 times 63360=14,579,136,000 inches is distance
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divide both sides by 2
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divide both sides by 6.02
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divide both sides by  1210891694.35159
825583769024485.8
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6 0
3 years ago
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Zanzabum

True

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The biosphere includes all life form on earth wherever they may dwell from deep abyss to the high atmosphere.

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Just like the earth systems, the spheres of the earth relates with each other. Even the ocean is contained in the geosphere.

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3 0
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Anastasy [175]

Answer:

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Explanation:

7 0
3 years ago
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