Question

In a given sample of ammonia, 9g hydrogen and 42g nitrogen is present. in another sample, 5g hydrogen is present along with nitrogen. calculate the amount of nitrogen in the second sample

Answer 1

I hope this answer helps you

Answer 2

The amount of nitrogen in the second sample is 23.3g.

Given:

Sample 1 Ammonia:

Weight of hydrogen = 9g

Weight of nitrogen = 42g

Sample 2 Ammonia:

Weight of hydrogen = 5g

To find:

Weight of nitrogen in second sample = ?

Calculation:

For sample 1:

The ratio is =  $\frac{9}{42} = \frac{3}{14}$

For sample 2:

$\frac{Amount of hydrogen}{Amount of nitrogen} = \frac{3}{14}$

$\frac{5}{x} = \frac{3}{14}$

On cross multiplication:

$5\times 14 = x \times 3$

$x = \frac{5\times 14}{3}$

$x = \frac{70}{3}$

x = 23.3

Conclusion:

The weight of nitrogen in second sample of ammonia is 23.3g

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