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Answer to Question #151472 in General Chemistry for NURUL AFIQAH BINTI MOHD HANAFI

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

"M_2 = (M_1\u00d7V_1) \u00f7 V_2\\newline M_2= (0.50\u00d715.0ml) \u00f7250ml\\newline M_2= 0.03M"


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