How many atoms are there in 5.70 mol of hanfnium? a) 3.43 x 10^24 moleculesb) 3.79 x 10^24 moleculesc) 1.26 x 10^24 moleculesd) 3.49 x 10^-24 moleculese) 1.05 x 10^-23 molecules(can you show how u got the answer .)

The density of the solid phase of a substance is 0.90 g/cm3 and the density of the liquid phase is 1.0 g/cm3. a large increase in pressure will a. lower the freezing point b. raise the freezing point c. lower the boiling point d. raise the triple point e. lower the triple point