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Masha6911
@Masha6911
August 2022
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помогите с решением задач. 1 и2
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ndambaeva
1.
xg 10g
H2SO4+2NaOH=Na2SO4+2H2O
98g 80g
x=98·10/80=12.25g
2.
240g xg
FeCl3+3NaOH=Fe(OH)3+3NaCl
240g 107g
x=240·107/240=107g
vFe(OH)3=107/107=1 mol
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Answers & Comments
xg 10g
H2SO4+2NaOH=Na2SO4+2H2O
98g 80g
x=98·10/80=12.25g
2.
240g xg
FeCl3+3NaOH=Fe(OH)3+3NaCl
240g 107g
x=240·107/240=107g
vFe(OH)3=107/107=1 mol