1 year ago

How many formula units are in 2.0 mol of sodium chloride (NaCl)

1 answer:

7 0

Answer:

Hence mass of 2 moles of NaCl is 117g. The molar mass of NaCl is 58.44 g/mol. To calculate mass in grams, multiply the given moles by the molar mass.

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At a pressure of 650 kpa 2.2L of hydrogen is used to fill a balloon to a final pressure of 115 kpa. What's the balloons volume?

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Answer:

V₂ = 12.43 L

Explanation:

Given data:

Initial pressure = 650 KPa

Initial volume = 2.2 L

Final pressure = 115 KPa

Final volume = ?

Solution:

The given problem will be solved through the Boyles law,

"The volume of given amount of gas is inversely proportional to its pressure by keeping the temperature and number of moles constant"

Mathematical expression:

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P₁ = Initial pressure

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Now we will put the values in formula,

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V₂ = 1430 KPa. L/ 115 KPa

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How many formula units are in 2.0 mol of sodium chloride (NaCl)​

How many formula units are in 2.0 mol of sodium chloride (NaCl)