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borishaifa [10]
3 years ago
13

Fe + CuSO4 → Cu + FeSO4

Chemistry
1 answer:
Mamont248 [21]3 years ago
6 0

Answer:

Yes. This reaction supports the Law of Conservation of Mass. There are the same amount of each type of atom which holds the same amount of mass. Therefore it is true that this chemical reaction supports the Law of Conservation of Mass.

Explanation:

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Hich sentence most accurately describes electrically charged objects?
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Explanation:

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Where is the incoming sun's energy most concentrated?
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A rigid container has 44.5 grams of oxygen gas at room temperature and a pressure of 2.3 atm. How many grams of oxygen should th
Travka [436]

Answer:

The mass of oxygen the container must have is 150.85 g.

Explanation:

Given;

mass of the oxygen, m₁ = 44.5 g

initial pressure of the gas, P₁ = 2.3 atm

final pressure of the gas, P₂ = 7.8 atm

Atomic mass of oxygen gas, = O₂ = 16 x 2 = 32 g

initial number of moles of oxygen in the container, n₁ = 44.5/32 = 1.39

let the final number of moles of oxygen = n₂

Apply ideal gas equation;

PV = nRT

\frac{PV}{Rn} = T\\\\since \ temperature\ T \ is \ constant;\\\\\frac{P_1V}{Rn_1} = \frac{P_2V}{Rn_2}\\\\\frac{P_1}{n_1} = \frac{P_2}{n_2} \\\\n_2 = \frac{n_1P_2}{P_1} \\\\n_2 =  \frac{1.39 \times 7.8}{2.3} \\\\n_2 = 4.714 \ moles

The mass of the oxygen in grams is calculated as;

m₂ = 4.714 x 32g

m₂ = 150.85 g

Therefore, the mass of oxygen the container must have is 150.85 g.

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Answer:

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What is the number of moles of solute in 250 ml of a 0.4m solution?
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