Question

Balance the following equation in standard form and determine the sum of the coefficients. LiAlH_(5) + AlCl3(s) → AlHz(s) + LiCl(s) A 10 B 12 C 11

Answer 1

Due to errors in the initial equation and the lack of additional context, it is not possible to balance it properly. Usually, the process includes matching the number of atoms for each element on both sides and then getting the sum of coefficients.

Step-by-step explanation:

The original equation provided contains a typo and should be corrected to LiAlH4 + AlCl3 → AlH3 + LiCl, and balanced as follows: LiAlH4 + AlCl3 → AlH3 + LiCl. However, due to errors in the initial equation and the lack of additional context or reactant products, it is not possible to balance it properly. Typically, the process of balancing a chemical equation involves ensuring that there is the same number of each type of atom on both sides of the equation. The sum of the coefficients of a correctly balanced equation gives the desired total.

Answer 2

The balanced equation is: LiAlH₄ + AlCl₃ → AlH₃ + LiCl with sum of coefficients being (c) 11.

Balancing the equation involves adjusting the coefficients to ensure the same number of each type of atom on both sides.

Starting with the reactants, two Li atoms on the left require a coefficient of 2 in front of LiAlH₄.

This also results in two Al atoms on the left, requiring a coefficient of 2 in front of AlCl₃.

However, this leads to six H atoms on the right side.

Adjusting the coefficient in front of AlH₃ to 4 balances the equation.

The final coefficients are: 2 LiAlH₄ + 2 AlCl₃ → 4 AlH₃ + 2 LiCl.

The sum of coefficients is 2 + 2 + 4 + 2 = 10 + 1 = 11.

So, the balanced equation is achieved by adjusting the coefficients of the reactants and products. The sum of these coefficients is 11, satisfying the law of conservation of mass.