Question
(iii) 1.50g of sodium hydroxide was dissolved in water to make 0.25dm^3 of sodium hydroxide solution. Calculate the concentration of this solution of sodium hydroxide in gdm^-3 Show your working.
Answer
4.4
(128 Votes)
Ashton
Master · Tutor for 5 years
Answer
6.0g/dm³
Explanation
To find the concentration of a solution, we need to know both the amount of solute (in this case, sodium hydroxide) and the volume of the solution. The question provides us with the mass of sodium hydroxide, which is 1.50 g, and also the volume of the solution, which is 0.25 dm3. The concentration (C) can be calculated by dividing the mass of the solute by its volume. Given the mass (m) as 1.50g and the volume (V) as 0.25dm3, we substitute these values into the equation C=m/V.