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If the Concentration of Sodium Carbonate in Water Is 12

Question 76

Multiple Choice

If the concentration of sodium carbonate in water is 12.8 ppm,what is the molarity of Na2CO3(aq) ? The molar mass of Na2CO3 is 106.0 g/mol.Assume the density of the solution is 1.00 g/mL.


A) 8.28 × 10-6 M
B) 1.21 × 10-4 M
C) 1.36 × 10-3 M
D) 0.136 M
E) 0.121 M

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