5.0 g of a certain element X forms 10.0g of its oxide having the formula $X_{4} O_{6}$ . The atomic mass of X is ?

12.0 amu

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

24.0 amu

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

30.0 amu

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

32.0 amu

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

Open in App

Solution

The correct option is B
24.0 amu

Using the relationship
$\frac{M o l m a s s o f o x i d e}{M a s s o f m e t a l i n i n m o l a r m a s s} = \frac{m a s s o f o x i d e}{m a s s o f m e t a l}$
$\frac{4 x + 96}{4 x} = \frac{10}{5} \Rightarrow x = 24$

Suggest Corrections

Similar questions

5.0 g of a certain element X forms 10.0g of its oxide having the formula $X_{4} O_{6}$ . The atomic mass of X is ?

An element, X has the following isotopic composition; $^{200} X : 90 %;^{199} X : 8.0 %;^{202} X : 2.0 % .$ The weighted average atomic mass of the naturally occurring element X is closest to :

10

g of a certain compound having molecular formula

X_{4} O_{6}

has

5.72

g of X.

What is the atomic mass of X?

Q. A certain compound has the molecular formula

X_{4} O_{6}

. Find the atomic mass of X if

10

g of

X_{4} O_{6}

has

5.72

g X.

Q. An element

X

having equivalent mass

E

forms a general oxide

X_{m} O_{n}

, its atomic mass should be:

Join BYJU'S Learning Program

5.0 g of a certain element X forms 10.0g of its oxide having the formula X4O6. The atomic mass of X is ?

The correct option is B 24.0 amu Using the relationship Mol mass of oxideMass of metal in in molar mass=mass of oxidemass of metal 4x+964x=105⇒x=24

5.0 g of a certain element X forms 10.0g of its oxide having the formula $X_{4} O_{6}$ . The atomic mass of X is ?

The correct option is B
24.0 amu

Using the relationship
$\frac{M o l m a s s o f o x i d e}{M a s s o f m e t a l i n i n m o l a r m a s s} = \frac{m a s s o f o x i d e}{m a s s o f m e t a l}$
$\frac{4 x + 96}{4 x} = \frac{10}{5} \Rightarrow x = 24$