What volume of solution containing 1.5 g of sodium hydroxide in 250 cm³ of solution will completely neutralize 20 cm³ of 0.12 molar hydrochloric acid?
20 cm³.
16 cm³.
250 cm³.
40 cm³.
5 g of calcium chloride are dissolved in 500 cm³ of distilled water; what is the concentration in g/dm³ of the solution obtained?
10 M.
0.01 M.
10 g/dm³.
0 .01 g/dm³.
How many moles of sugar (C6H12O6) are there in 500 cm³ of a 3 M solution of sugar?
3 mols.
1 mol.
1.5 mols.
2 mols.
5 g of caustic soda (NaOH) were used to prepare a standard solution of concentration 4 M. What volume of the solution was obtained?
0.03125 cm³.
1.25 cm³.
31.25 dm³.
31.25 cm³.
