CH-920
Concentration
Chemistry · Secondary 3 · Medium · Concentration
A student measures 15.0 cm³ of 0.250 mol/dm³ potassium hydroxide solution. What mass of KOH is present in this volume? ( of KOH = 56.)
- 0.021 g
- 0.21 g
- 2.1 g
- 21 g
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