Odpowiedź:
Cm1=0,2 mol/dm3
d=1,07 g/ml
mR=250g
1,07g---1ml
250g---x
x=234 ml=0,234 dm3
0,2mol/dm3=n/0,234dm3
n=0,047mol
Cm2=0,047mol/0,234dm3+0,5dm3=0,064mol/dm3
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Odpowiedź:
Cm1=0,2 mol/dm3
d=1,07 g/ml
mR=250g
1,07g---1ml
250g---x
x=234 ml=0,234 dm3
0,2mol/dm3=n/0,234dm3
n=0,047mol
Cm2=0,047mol/0,234dm3+0,5dm3=0,064mol/dm3
Wyjaśnienie: