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ollegr [7]
3 years ago
15

When 1.50 mol of solid aluminum metal reacts with 3.00 mol of chlorine gas (CI2), aluminum chloride solid is formed. Which is th

e limiting reactant?
Chemistry
1 answer:
expeople1 [14]3 years ago
7 0

Answer:

Aluminum is limiting reactant

Explanation:

Data Given:

Amount aluminum metal (Al) = 1.5 mole

chlorine gas (Cl₂) = 3 mole

limiting reactant = ?

Solution:

limiting reactant: The amount of reactant that consume first in a reaction is termed as limiting reagent or limiting reactant.

Excess reagent: the amount of reactant that remain unreacted at the end of the reaction is termed as excess reagent.

Now to look for the limiting regent we have to look at reaction

Reaction:

           2 Al + 3 Cl₂  --------> 2 AlCl₃

from this balance reaction we come to know that 2 mole of Aluminum metal react with 3 mole of chlorine gas. It means that amount of aluminum is less and it will consume first and act as limiting reactant.

To know with how much chlorine gas it will react apply unity formula

                2 mole of Al ≅ 3 mole of Cl₂

               1.5 mole of Al ≅ X mole of Cl₂

So,

                mole of Cl₂ =   3 mole x  1.5 mole / 2 mol

                mole of Cl₂ =   2.25 mol

So, 1.5 mol Aluminum consumed fully and react with 2.25 mol of Chlorine and 0.75 mol remain unreacted.

Aluminum is limiting reactant.

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Sodas are made fizzy by the carbon dioxide ( CO ) dissolved in the liquid. An amount of carbon 2 dioxide equal to about 8.0 L of
eduard

Answer:

A) The number of moles of Carbon dioxide in 2.0 L bottle of soda = 0.325 mole

B) The mass of Carbon dioxide in 2.0 L bottle of soda = 14.3 g

Explanation:

Complete Question

Soda are made fizzy by the carbon dioxide (CO₂) dissolved int he liquid. An amount of carbon dioxide equal to about 8.0 L of carbon dioxide gas at atmospheric pressure and 300.0 K can be dissolved can be dissolved in a 2-L bottle of soda. The molar mass of CO₂ IS 44 g/mol.

A) How many moles of carbon dioxode are in the 2-L? (1L = 0.001 m³)

B) What is the mass of the carbon dioxide in the 2-L bottle of soda?

Solution

Assuming that CO₂ is an ideal gas.

A) The amount of carbon dioxide in 2.0 L of soda bottle is equal to the amount of Carbon dioxide in about 8.0 L of carbon dioxide gas at atmospheric pressure and 300.0 K

From the ideal gas equation, we know that

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P = pressure of the gas = atmospheric pressure = 101,325 Pa

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n = number of moles of the ideal gas = ?

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T = absolute temperature of the gas in Kelvin = 300 K

101325 × 0.008 = n × 8.314 × 300

n = (101325×0.008) ÷ (8.314 × 300)

n = 0.324993986 = 0.325 mole of Carbon dioxide.

B) The mass of Carbon dioxide in 2.0 L bottle of soda

Mass = (Number of moles) × (Molar mass)

= 0.325 × 44.0

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Have a great day!!
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