Calculate the amount of aluminium present in | vedclass

Name: Exam Paper Generator | JEE NEET Paper Generator | Vedclass
Brand: Vedclass
Rating: 5 (35 reviews)

Question

(A) Step $1$: Determine the molar mass of sulfur in the compound $Al_2(SO_4)_3$. There are $3$ atoms of sulfur in one formula unit. Total mass of sulf

Vedclass · Accepted Answer

$2.25$

Vedclass · Answer

(A) Step $1$: Determine the molar mass of sulfur in the compound $Al_2(SO_4)_3$. There are $3$ atoms of sulfur in one formula unit. Total mass of sulfur = $3 	imes 32 	ext{ g/mol} = 96 	ext{ g/mol}$.Step $2$: Determine the molar mass of aluminium in the compound. There are $2$ atoms of aluminium. Total mass of aluminium = $2 	imes 27 	ext{ g/mol} = 54 	ext{ g/mol}$.Step $3$: Use the ratio of masses to find the amount of aluminium. The mass ratio of $Al$ to $S$ is $54 : 96$.Step $4$: Calculate the mass of $Al$ for $4 	ext{ g}$ of sulfur: $	ext{Mass of } Al = (54 / 96) 	imes 4 	ext{ g} = (9 / 16) 	imes 4 	ext{ g} = 9 / 4 	ext{ g} = 2.25 	ext{ g}$.

Calculate the amount of aluminium present in $Al_2(SO_4)_3$ if the compound contains $4 \text{ g}$ of sulfur. [Molar mass of sulfur = $32 \text{ g/mol}$, Molar mass of $Al = 27 \text{ g/mol}$] (in $\text{ g}$)

Similar Questions

$0.0833 \, mol$ of a carbohydrate with the empirical formula $CH_2O$ contains $1 \, g$ of hydrogen. What is the molecular formula of the carbohydrate?

When $0.01 \ mol$ of an organic compound containing $60 \%$ carbon was burnt completely,$4.4 \ g$ of $CO_2$ was produced. The molar mass of the compound is $......... \ g \ mol^{-1}$ (Nearest integer).

An organic compound contains carbon,hydrogen,and oxygen. Its elemental analysis gives $38.71 \%$ of $C$ and $9.67 \%$ of $H$. The empirical formula of the compound would be $:-$

Which of the following is the formula for calcium chlorite?

On reduction with hydrogen,$3.6 \ g$ of an oxide of metal $(M)$ left $3.2 \ g$ of the metal. If the atomic weight of the metal is $64$,the formula of the oxide is:

Vedclass Test Series

Exam Paper Generator

Online Exam Module