Question #151472
A student prepares a solution by pipetting 15.0 ml of 0.50 M solution of trisodium phosphate (Na2PO4) into a 250 ml volumetric flask, adding deionized water precisely to the mark on the flask and mixing well. Calculate the molarity of Na2PO4 solution.
1
Expert's answer
2020-12-17T07:35:20-0500

To calculate the molarity of the solution we take the formula

M2=(M1×V1)÷V2M2=(0.50×15.0ml)÷250mlM2=0.03MM_2 = (M_1×V_1) ÷ V_2\newline M_2= (0.50×15.0ml) ÷250ml\newline M_2= 0.03M


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