CameraIcon

SearchIcon

MyQuestionIcon

4

You visited us 4 times! Enjoying our articles? Unlock Full Access!

Percentage Composition

A mixture con...

Question

A mixture contains $5.0 g$ of compound $X$ and $20.0 g$ of compound $Y$ .What is the percent by mass of compound $X$ ?

A

75

No worries! We‘ve got your back. Try BYJU‘S free classes today!

B

25

No worries! We‘ve got your back. Try BYJU‘S free classes today!

C

80

No worries! We‘ve got your back. Try BYJU‘S free classes today!

D

20

Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses

Open in App

Solution

The correct option is B $20$
Given,
Mass of X $= 5 g = m_{x}$
Mass of Y $= 20 g = m_{y}$
$%$ Mass of X is defined as ratio of mass of X and total mass of mixture.
$%$ Mass of X $= (\frac{m_{x}}{m_{x} + m_{y}}) \times 100 = (\frac{5}{5 + 20}) \times 100 = 20 %$

Suggest Corrections

thumbs-up

0

Similar questions

Q. Seed mixture X is 40 percent rye grass and 60 percent blue grass by weight; seed mixture Y is 25 percent rye grass and 75 percent fescue. If a mixture of X and Y contains 30 percent rye grass, what percent of the weight of the mixture is X?

Q. Q37) Juice mixture X is 40 percent mango and 60 percent banana by weight; Juice mixture Y is 25 percent mango and 75 percent grapes. If a mixture of X and Y contains 30 percent mango, what percent of the weight of this mixture is X ?

A

75

B

25

) combine to form a compound. The compound contains

75

A

by mass.The formula of the compound will be :

Q. A compound contain 25% hydrogen and 75% carbon by mass. The empirical formula of the compound is:

Q. What is the percent

X

by mass for compound

X Y_{2}

X Y

74

X

View More

Join BYJU'S Learning Program

similar_icon

Related Videos

lock

Percentage Composition and Molecular Formula

CHEMISTRY

Watch in App

explore_more_icon

Explore more

Percentage Composition

Standard XII Chemistry

Join BYJU'S Learning Program

CrossIcon