Mole ConceptMedium
Question
In the reaction,
$$2Al(s) + 6HCl(aq) \rightarrow 2{Al}^{3 +}(aq) + 6{Cl}^{-}(aq) + 3H_{2}(\text{ }g) $$
Options
A.$11.2\text{ }LH_{2}(\text{ }g)$ at STP is produced for every mole of HCl consumed.
B.$67.2\text{ }LH_{2}(\text{ }g)$ at STP is produced for every mole of Al that reacts.
C.$12\text{ }LHCl(aq)$ is consumed for every $6\text{ }LH_{2}(\text{ }g)$ produced.
D.$33.6\ {\text{ }L}_{2}\ H_{2}(\text{ }g)$ is produced regardless of temperature and pressure for every mole of Al that reacts.
Solution
$2Al(s) + 6HCl(aq) \rightarrow 2{Al}^{3 +}(aq) + 6{Cl}^{-}(aq) + 3H_{2}(\text{ }g)$
Mole of $H_{2}$ produced
$= 2 \times$ mole of HCl used
$= \frac{2}{3} \times$ mole of Al used
Create a free account to view solution
View Solution FreeMore Mole Concept Questions
An organic compound contains 40% carbon and 6.67% hydrogen by mass. Which of the following represents the empirical form...In a textile mill, a double effect evaporator system concentrates weak liquor containing 4% (by mass) caustic soda to pr...Iodobenzene is prepared from aniline (C6H5NH2) in a two-step process as shown here.C6H5NH2+HNO2+HCl?C6H5N2Cl+2H2OC6H5N2C...1.0 g of magnesium is burnt with 0.56 g O2 in a closed vessel. Which reactant is left in excess and how much? (At. wt. M...A given mixture consists only of pure substance X and pure substance Y. The total mass of the mixture is 3.72 g. The tot...