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
Dmitriy789 [7]
2 years ago
13

A 0.24g sample of compound of oxygen and boron was found by analysis to contain 0.144g of Oxygen.calculate the percentage compos

ition of the compound by weight. ​
Chemistry
1 answer:
oksano4ka [1.4K]2 years ago
5 0

Answer:

Mass of compound = 0.24 g and, mass of boron = 0.096 g percentage of boron in the compound = mass of boron / mass of compound * 100 = 0.096/0.24 * 100 = 40% mass of oxygen = 0.144 g again, mass of compound = 0.24 g percentage of oxygen in compound = mass of oxygen/mass of of compound * 100 = 0.144/0.24 * 100 = 60%

<h2>Hope it's Helpful!!✌️</h2>
You might be interested in
What is the name for the elements that have some properties of metals and some properties of non-metals
Andrej [43]

Answer: The metalloids are a unique group of elements that share properties of both metals and nonmetals.

Explanation: They're also called the semimetals because of the shared properties of these elements along the dividing line between metals and nonmetals.

8 0
2 years ago
The oxidation numbers of nitrogen in nh3, hno3, and no2 are, respectively:
vovikov84 [41]
The oxidation numbers for Nitrogen are respectively -3, +5, +4
3 0
3 years ago
Read 2 more answers
At stp 5.6 liters of ch4 which element contains the same number of molecules?
Alinara [238K]

Answer:

5.6 L of hydrogen

Explanation:

when 5.6 liter is added of hydrogen, the value equallify and becomes right

4 0
3 years ago
An atom of calcium loses two electrons. What is the charge on an ion of calcium?
kap26 [50]
The charge of an ion of calcium that loses two electrons is  D.) +2

hope this helps you 
4 0
3 years ago
What element is used in bright flashing advertising signs
Sergeu [11.5K]
The element used in advertising signs is neon.
4 0
3 years ago
Other questions:
  • On a caterpillar's map, all distances are marked in millimeters. The caterpillar's map shows that the distance between two milkw
    12·1 answer
  • According to the following balanced equation, 2 formula units of Iron (III) Oxide (Fe2O3) can be formed by reacting 4 atoms of i
    7·2 answers
  • The formula K2S indicates that:
    12·1 answer
  • A crystallographer measures the horizontal spacing between molecules in a crystal. The spacing is
    12·1 answer
  • Read the summary below. Choose the answer that BEST fits into the blank to complete the summary.
    13·1 answer
  • If you heat a liquid and measure the temperature at which it vaporizes (or boils) you are measuring...
    7·1 answer
  • Which animal can leave its eggs to hatch and does not need to take care of the infants?
    11·2 answers
  • Examples of fossil fuels are
    8·1 answer
  • Jeepers! You scared the life out of me! change into declarative sentence​
    7·1 answer
  • 1. The transfer of _____ in the form of _____
    5·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!