M C6H5OH=94g/mol
M NaOH=40g/mol
C6H5OH + NaOH---->C6H5ONa + H2O
94g fenolu------40g NaOH
47g fenolu--------xg NaOH
x = 20g NaOH
40g NaOH-----1mol
20g NaOH------xmoli
x = 0,5mola NaOH
Z def. stęż. molowego
1mol NaOH-----1dm3
0,5mola NaOH----xdm3
x = 0,5dm3 roztworu NaOH
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M C6H5OH=94g/mol
M NaOH=40g/mol
C6H5OH + NaOH---->C6H5ONa + H2O
94g fenolu------40g NaOH
47g fenolu--------xg NaOH
x = 20g NaOH
40g NaOH-----1mol
20g NaOH------xmoli
x = 0,5mola NaOH
Z def. stęż. molowego
1mol NaOH-----1dm3
0,5mola NaOH----xdm3
x = 0,5dm3 roztworu NaOH