what is the concentration of the lactic acid solution in moles per liter? The ac

Question

what is the concentration of the lactic acid solution in moles per liter?

The ache, or bun". you feel in your muscles during strenuous exercise is caused by the accumulation of lactic acid, which has the structure shown bolow. The hydrogen atom in the and it can be ramoved using base to fom a coo lactic acid, a chemist titrates a 22.25 mL sample of it with 0.1010 MNaOH, and inds that 12.74 mL of trant are requred lo reach the equiralence puirt group is acidic To detenmine the concentralion of a soktion of What is the concentration of the lactic acid solution in moles per lHe? O. Lactic acid Check Arsae

Explanation / Answer

mole of NaOH required = 0.101 x.01274 = 1.28674x10^-3mol = mole lactic acid

22.25ml has 1.28674x10^-3mol

1                 1.28674x10^-3mol/22.25

1000ml        1.28674x10^-3molx1000/22.25=0.578 mol/L

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