CH-1936
Concentration
Chemistry · Secondary 4 · Medium · Concentration
A student prepares a standard solution by dissolving 4.25 g of sodium hydroxide pellets in water to make 250 cm³ of solution.
What is the concentration of the sodium hydroxide solution? ( of NaOH = 40.0)
What is the concentration of the sodium hydroxide solution? ( of NaOH = 40.0)
- 0.425 mol/dm³
- 0.170 mol/dm³
- 0.106 mol/dm³
- 1.70 mol/dm³
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