Question
Asked Nov 9, 2019
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How many moles of HCl are present in 39.5 mL of 0.177 M HCl?

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Expert Answer

Step 1

Molarity is the described as the number of moles present in 1 L solution. Molarity is expressed in mol/L. The mathematical expression is shown below.

Number of moles (n)
Volume(L
Molarity
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Number of moles (n) Volume(L Molarity

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Step 2

Given data:

Volume 39.5 mL
0.0395 L
Molarity 0.177 M
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Volume 39.5 mL 0.0395 L Molarity 0.177 M

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Step 3

Substitute the given data in equ...

Number of moles (n)
Volume (L
Number of moles (n)
Molarity
0.177 M =
0.0395 L
Number of moles (n) = 0.177 mol/L x0.0395 L
0.007 mol
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Number of moles (n) Volume (L Number of moles (n) Molarity 0.177 M = 0.0395 L Number of moles (n) = 0.177 mol/L x0.0395 L 0.007 mol

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