Many chemistry problems result in equations of the form 1.77 X100.298-z)
When this equation is solved, the two values of the unknown are and

When this equation is solved, the two values of the unknown are 0.0643 and -0.082

Explanation:

Given

--- the actual equation

Required

The values of x

We have:

Cross Multiply

Multiply both sides by 100

Open bracket

Rewrite as:

Using quadratic formula:

Where:

So, we have:

Split

the answer is c.the valence of the atoms combine .