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maw [93]
3 years ago
13

How is a pure substance different from a mixture? A.Pure substances are separated by physical means B. Mixtures cannot be separa

ted by physical means C. A pure substance is heterogeneous D. Mixtures are made up of more than one component.
Chemistry
1 answer:
zimovet [89]3 years ago
8 0

Answer:

d

Explanation:

mixtures are made up of more than one components

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N2 + 3H2 --> 2NH3
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Therefore h2 is limiting reagent.
no. of moles of ammonia= 3/3*2=2moles
mass of ammonia produced= 2 mol * (14+3)= 34g
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