Ответ:
7,525*10²²
Объяснение:
1) 2,3*0,015=0,0345 (кг)=34,5(г)
2)
196 - 6,02*10²³
34,5 - x
x=(34,5*6,02*10²³)/196= =0,7525*10²³=7,525*10²²(ед)
M(N)=71г
N=Na*n
n=m/M
M=14*2=28 г/моль
n=71/28=2,5 моль
N=6*10²³*2,5=15*10²³
<span>C3H6Cl2+2KOH=CH3CH2COH+2KCL+H2O</span>
<span><span>CH3CH2COH</span>+K2Cr2O7+4H2SO4=3CH3CH2COOH+K2SO4+Cr2(SO4)3+4H2O</span>
<span><span>CH3CH2COOH</span>+Cl2=CH3CH(Cl)COOH+HCl</span>
<span><span>CH3CH(Cl)COOH</span>+NaHCO33=CH3CH(Cl)COONa+H2O+CO2</span>
<span><span>CH3CH(Cl)COONa</span>+CH3CH2Br=CH3CH(Cl)COOCH2CH3+NaBr</span>