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A student dissolves 0.0688 mol of sodium hydroxide in water to make a 0.250 L solution. What is the molarity of the solution?


0.17 M
0.28 M
2.5 M

Respuesta :

n(NaOH)=0.0688 mol
v=0.250 L

c=n(NaOH)/v

c=0.0688/0.250=0.2752≈0.28 mol/L

0.28 M

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