The molar percent of a in stream 3 is _________ mol% a in stream 1.
1 answer:
From the problem description you've given, I can't give an exact answer without a context. However, I found a similar problem with an illustration. Supposing this is the problem, we can set a mole balance:
n₁ = n₂ + n₃
Since n₃ is just part of n₁, it will always be less than n₁ because n₁ constitutes 100% mol A. Thus, the answer is letter C.
n₁ = n₂ + n₃
Since n₃ is just part of n₁, it will always be less than n₁ because n₁ constitutes 100% mol A. Thus, the answer is letter C.
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Answer:
Molar percent of sodium in original mixture is 88,50%
Explanation:
The last reaction is:
BaCl₂ + Na₂SO₄ → BaSO₄ + 2 NaCl
The moles of BaCl₂ are:
0,132L × 3,80M = 0,502 moles of BaCl₂
As the amount of BaCl₂ is the maximum possible to produce BaSO₄, the moles of BaCl₂ must be the same than moles of Na₂SO₄.
0,502 moles of BaCl₂ ≡ 0,502 moles of Na₂SO₄
These moles of Na₂SO₄ comes from:
2 Na + H₂SO₄ → Na₂SO₄ + H₂
As the reaction is in stoichiometric amounts, moles of Na are twice the moles of Na₂SO₄
0,502 moles of Na₂SO₄ ×× 22,99 g/mole = 23,08 g of Na
Molar percent of sodium in original mixture is:
= <em>88,50% </em>
I hope it helps
Answer:
a.) exothermic
b.) 2,800.6 J
Explanation:
