A sample of `NaNO_(3)` weighing `0.38 g` is placed in a `50.0 mL` volumetric flask. The flask is then filled with water to the mark on the neck. What is the molarity of the solution?

A sample of NaNO_(3) weighting 0.38 g is placed in a 250 mL volumetric flask. The flask is then filled with water to the mark on the neck. What is the molarity of the solution?

A sample of NaOH weighing 0.38 g is dissolved in water and solution is made to 50.0 mL in a volumetric flask. What is the molarity of the solution?

(a) A sample of NaOH weighting 0.38 g is dissolved in water and the solutions is made to 50.0 cm^(3) in a volumetric flask. What is the molarity of the solution? (b) State and explain law of multiple proportion.

200 ml of water is added of 500 ml of 0.2 M solution. What is the molarity of this diluted solution?

200 ml of water is added of 500 ml of 0.2 M solution. What is the molarity of this diluted solution?