A 0.085 M solution of a weak acid has a pH of 2.68. Determine the Ka value for this acid.
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The number of moles that are contained in the given mass of propane ( is 1.7143 moles.
<u>Given the following data:</u>
- Mass of propane = 75.6 grams.
<u>Scientific data:</u>
- The molar mass of propane = 44.1 g/mol.
To calculate the number of moles that are contained in the given mass of propane ():
In this exercise, you're required to determine the number of moles of propane that are contained in the given sample:
Mathematically, the number of moles contained in a chemical compound is given by this formula:
Substituting the given parameters into the formula, we have;
Number of moles = 1.7143 moles.
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