CH-1010
Concentration
Chemistry · Secondary 3 · Medium · Concentration
A solution of sodium hydroxide has concentration 0.18 mol/dm³. What is the mass of NaOH present in 20.0 cm³ of this solution? (Relative formula mass of NaOH = 40.)
- 0.072 g
- 0.144 g
- 0.36 g
- 7.20 g
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