Respuesta :

Hydrochloric acid isa acid so color is red .

#2

Here is the balanced equation

[tex]\\ \rm\Rrightarrow Na_2CO_3+2HCl\longrightarrow 2NaCl+H_2CO_3[/tex]

1 mol Na_2CO_3 takes 2mol HCL

  • 16.2cm^3=0.016L

1mol is 22.4L

moles of Na_2CO_3:-

  • 0.016(22.4)=0.36mol

Moles of HCl=0.36(2)=0.72mol