When 261 G of Solid Na₂CO₃ Is Dissolved in Sufficient Water

Multiple Choice

When 2.61 g of solid Na₂CO₃ is dissolved in sufficient water to make 250. mL of solution, the concentration of Na₂CO₃ is:

A) 0.0246 M
B) 10.4 M
C) 0.205 M
D) 0.0985 M
E) 0.141 M