26.3k views
6 votes
What mass TiO2 needs to be dissolved in water to make 0.45 mL of a 0.700 M TiO2 solution

What mass TiO2 needs to be dissolved in water to make 0.45 mL of a 0.700 M TiO2 solution-example-1

1 Answer

7 votes
  • Volume=0.45mL=0.00045L
  • Molarity=0.7M

No of moles:-


\\ \tt\Rrightarrow Molarity (Volume)


\\ \tt\Rrightarrow 0.00045(0.7)


\\ \tt\Rrightarrow 0.000315mol

  • Molar mass of TiO_2=79.866g/mol

Mass:-

  • 0.000315(79.866)=0.025157779g
User Heyfrank
by
5.9k points