Moles of Hydrogen present: 100 / 2 = 50 moles

Moles of Nitrogen present: 200 / 28 = 7.14 moles

Hydrogen required by given amount of nitrogen = 7.14 x 3 = 21.42 moles

Hydrogen is excess so we will calculate the Ammonia produced using Nitrogen.

Molar ratio of Nitrogen : Ammonia = 1 : 2

Moles of ammonia = 7.14 x 2 = 14.28 moles

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3 years ago

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Select the correct answer. Which statement is true of a chemical change? A. It involves changes in the molecular structure. B. I

wolverine [178]

I think the answer is something within..

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2 years ago

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If 0.98 moles of BaCl2 are dissolved in enough water to make a 1.2-liter solution, what is the resulting molarity?

Svetradugi [14.3K]

Correct Answer: Option B i.e. 0.82 M 

Reason:
Given: number of moles of BaCl2 = 0.98, Volume of solution = 1.2 l

Molarity of solution = $\frac{\text{number of moles}}{\text{volume of solution (l)}}$ 
= $\frac{0.98}{1.21}$ 
= 0.82 M

Thus, molarity of the solution is 0.82 M

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3 years ago

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