Answer :
- M be molar concentration
- V be volume
So
- M1=0.845M
- V1=200mL=0.2L
- V2=0.6L
- M2=?
[tex]\\ \tt\rightarrowtail M1V1=M2V2[/tex]
[tex]\\ \tt\rightarrowtail 0.845(0.2)=0.6M2[/tex]
[tex]\\ \tt\rightarrowtail 0.169=0.6M2[/tex]
[tex]\\ \tt\rightarrowtail M2=0.281M[/tex]