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
dimulka [17.4K]
3 years ago
8

In the following reaction, 451.4 g of lead reacts with excess oxygen forming 365.0 g of lead(II) oxide. Calculate the percent yi

eld of the reaction.
Chemistry
1 answer:
user100 [1]3 years ago
4 0
Let MM(x) be the molar mass of x.

MM(Pb) : MM(PbO)
=207.21 : 223.20  =  451.4 g : x g

cross multiply and solve for x
x=223.2/207.21*451.4
= 486.23 g

Percentage yield = 365.0/486.23= 0.75067 = 75.07% (rounded to 4 sign. fig.)

You might be interested in
Select the correct answer.
Elina [12.6K]

Answer:

CU

Explanation:

Cu is the correct answer if I'm correct

4 0
2 years ago
When ash, cinders, and bombs build up in a steep pile around a volcano’s vent, the result is a
Verdich [7]
Im pretty sure a cinder-cone volcano 
8 0
3 years ago
Which best describes the relationship between the terms frequency, wavelength, and hertz?
Oksanka [162]

Answer:

The correct answer is - Frequency is the number of wavelengths, which is measured in hertz.

Explanation:

Frequency is the number of waves that go through a fixed point at a particular time. Hertz is the SI unit for frequency which means that one hertz is equal to a unit number of waver passes in a unit time to a fixed point.

As the frequency of a wave increases which means the number of waves increases in the unit time, the shorter the wavelength will be.

a higher frequency wave has more energy than a lower frequency wave with the same amplitude.

5 0
3 years ago
What would be the formula for diphosphorus pentoxide? A. PO5 B. P2O5 C. P5O D. P5O2
Dovator [93]

I am sure, the answer is variant B.

6 0
3 years ago
Read 2 more answers
Which of these is a chemical property?<br><br> boiling point<br> odor<br> ability to rust<br> color
NISA [10]

Answer:

ability to rust

Explanation:

i'm like 90% sure thats correct

6 0
3 years ago
Other questions:
  • 20 points and brainliest for best answer
    11·2 answers
  • 1) How many different charges can O or H atoms have?
    13·1 answer
  • The boiling point of isopropyl alcohol is 80.3°C. What state of matter is isopropyl alcohol in at 99°C?
    9·1 answer
  • What is the product of 3fe + 4h20 &gt; fe3o4+4h2
    13·1 answer
  • What is an example of a base? carbonic acid sodium carbonate sodium hydroxide hydrochloric acid
    7·1 answer
  • If a sodium atom lost one of its electrons and a chlorine atom gained it, what kind of bond would be formed between sodium and c
    10·2 answers
  • Help!! 10 points!! Please don’t answer if u don’t know!!
    6·2 answers
  • Can someone please help with science , I need help!!!
    13·2 answers
  • More True Or False Questions ​
    8·1 answer
  • I’m so confused somebody help lol
    14·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!