Determine the number of molecules in 30.0mL of 2.0mol/L of Hydrochloric Acid
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Answer:
NaOH + HCl -> NaCl + H2O
Since it is one mole of HCl react with one mole of NaOH, you can simplify the equation as :
M1 x V1 = M2 x V2
M1 = Molarity of HCl
V1 = Titration volume of HCl
M2 = Molarity of NaOH
V2 = Volume of NaOH used
Example:
20ml of 0.1M HCl was used to neutralize 50ml NaOH solution during titration.
20 x 0.1 = M2 x 50
M2 = 0.04 M
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