How many moles of HCl are present in 75mL of a .150 M HCl solution?
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Answer:
0.01125 is correct by following method
Explanation:
These questions can easily be resolved using the relationship that concentration (or molarity) m = no. of moles / no. of litres.
In this case, simply rearrange for no. of moles.
No. of moles = molarity x no. of litres = 0.15 x (75/1000) = 0.001125 mol.
therefore 0.012 is correct
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