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Juli2301 [7.4K]
3 years ago
13

Question 11 of 16 V

Chemistry
1 answer:
user100 [1]3 years ago
4 0

Answer:

A

Explanation:

How many moles of HCI will just react with 0.424 g Ba(OH)2?

A) 4.94 x 10 mol

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What is the law that ensures that chemical reactions are balanced?
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The law of conservation of mass maintains that in all chemical reactions mass is conserved, this ensures that chemical reactions are balanced.

<h2>What is the law of conservation of mass?</h2>

It is a principle of chemistry that states that the quantities of the masses involved in a given reaction must be constant, that is, the quantity of reactants consumed is equal to the quantity of products formed.

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A cylinder of argon gas contains 50.0 L or Ar at 18.4 atm and 'C. How many moles of argon are in the cylinder?
makkiz [27]

<em>A cylinder of argon gas contains 50.0 L of  Ar  at 18.4 atm and 127 °C. How many moles of argon are in the cylinder?</em>

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Number moles of Argon : 28.03

<h3>Further explanation</h3>

Given

The volume of gas=50 L

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moles of Argon

Solution

Use ideal gas Law :

\tt n=\dfrac{PV}{RT}\\\\n=\dfrac{18.4\times 50}{0.08205\times 400}\\\\n=28.03

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