1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
krek1111 [17]
2 years ago
7

Consider the reaction.

Chemistry
1 answer:
sveta [45]2 years ago
5 0

The percent yield of reaction = 65.27%

<h3>Further explanation</h3>

Reaction

2Pb(s)+O₂(g)⟶2PbO(s)

mass of Lead(Pb) = 451.4 g

mol of Pb (MW=207 g/mol) :

\tt \dfrac{451.4}{207}=2.18

mol of lead(II) oxide (PbO) based on mol Pb as a limiting reactant(Oxygen as an excess reactant) :

\tt \dfrac{2}{2}\times 2.18=2.18

mass of PbO(MW=223 g/mol)⇒theoretical :

\tt 2.18\times 223=486.14~g

The percent yield :

theoretical = 486.14 g

actual = 317.3 g

\tt \%yield=\dfrac{actual}{theoretical}\times 100\%\\\\\%yield=\dfrac{317.3}{486.14}\times 100\%=65.27\%

You might be interested in
How does a balanced chemical equation demonstrate conservation of mass?
Mariulka [41]

Answer:

A balanced chemical equation will demonstrate the law of conservation of mass because the amount of elements on one side (reactants) will equal the amount of elements on the other side (products).

Explanation:

CH₄ + 4Cl₂ -> CCl₄ + 4HCl

Reactants:

1 C

4 H

8 Cl

Products:

1 C

4 H

8 Cl

6 0
2 years ago
Read 2 more answers
What volume of 0.08892 M HNO3 is required to react completetly with 0.2352 g of potassium hydrogen phosphate?
galina1969 [7]

Answer:

0.0303 Liters

Explanation:

Given:

Mass of the potassium hydrogen phosphate = 0.2352

Molarity of the HNO₃ Solution = 0.08892 M

Now,

From the reaction it can be observed that 1 mol of potassium hydrogen phosphate reacts with 2 mol of HNO₃

The number of moles of 0.2352 g of potassium hydrogen phosphate

= Mass / Molar mass

also,

Molar mass of potassium hydrogen phosphate

= 2 × (39.09) + 1 + 30.97 + 4 × 16 = 174.15 g / mol

Number of moles = 0.2352 / 174.15 = 0.00135 moles

thus,

The number of moles of HNO₃ required for  0.00135 moles

= 2 ×  0.00135 mol of HNO₃

= 0.0027 mol of HNO₃

Now,

Molarity = Number of Moles / Volume

thus,

for 0.0027 mol of HNO₃, we have

0.08892 = 0.0027 / Volume

or

Volume =  0.0303 Liters

8 0
3 years ago
Read 2 more answers
When would a cell use Active Transport? Mark all that apply.
Westkost [7]

Answer:

a c e

Explanation:

4 0
3 years ago
How many electrons do nonmetals atoms tend to gain when forming ions
amm1812
Since nonmetals have five, six, or seven electrons in their valence shells, it takes less energy to gain the necessary electrons, and therefore form anions.
4 0
3 years ago
BE FIRST TO ANSWER FOR SUM GOOD!!!!!:D
kipiarov [429]
Answer is B can you like btw??
3 0
3 years ago
Other questions:
  • 1. Concentrated HCl is 11.7M. What is the
    7·1 answer
  • A Is an ecosystem that is covered with water for at least part of the year
    11·1 answer
  • Which is the term for an ion that has more protons than electrons
    6·1 answer
  • How many protons and electrons are in Hg+
    9·1 answer
  • Which describes a homogeneous mixture?
    14·1 answer
  • Definition of deposition in science​
    8·2 answers
  • Fifteen points! Nothing like chemistry quizzes in the morning... &gt;o&lt;
    12·1 answer
  • Which of the following is NOT a good way to reduce pollutants in paint shops? A) Use extra topcoat color to get better coverage
    14·1 answer
  • Hello can you please help me to solve above questions. .​
    13·1 answer
  • HURRY ITS IS DUE SOON
    6·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!