Question

calculate the mass of one molecule of following Alcl3​

Answer 1

Answer:132.5u

Explanation:

Al =  26u

Cl = 35.5 x 3 = 106.5u

26 + 106.5 =132.5u

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Answer 2

Given: The given compound is $AlCl_3$.

To find: We have to find the mass.

Solution:

To determine the mass of one molecule of $AlCl_3$ we have to follow the below steps-

The atomic mass of Al is 26u.

The atomic mass of Cl is 35.5u.

$AlCl_3$ has there chlorine and one aluminium atom so, its mass will be-

$26 + 35.5 \times 3 \\ = 132.5$

Thus the mass of $AlCl_3$ is 132.5u.

The mass of one molecule of $AlCl_3$ is 132.5u.