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6. Density = Mass/volume can also be used to calculate what else?

  • Concentration
  • Reaching mass
  • Calculating Relative mass on the periodic table
  • Calculating the atom ecomony of two isotopes of the same element

7. In chromatography, to calculate the Rf valye you need to divide the distance moved by substanc divided by...e

  • Distance moved by solvent
  • The solubility of the solvent
  • The amount of time it takes for the substance to fully react

8. What is this equation calculating = (% of isotope1 divided by 100) X Ar isototope1 + (%isotope2 divided by 100) X Ar Isotope2 +...

  • Calculating Relative mass on the periodic table
  • Calculating the atom ecomony of two isotopes of the same element
  • Concentration
  • Reaching mass

9. How do we calculate the number of nuetrons a substance has?

  • If you still don't know how to claculate the number of nuetrons an atom has, you certainly don't have a private education
  • Atomic mass - Atomic number
  • Atomic number - Atomic mass

10. What would be the total relative formula mass of H2O, H=1, O=16?

  • 20g
  • 18g
  • 16g
  • 17g

11. Volume of gas = moles X Hdm3, what is the value of H?

  • 14
  • 24
  • 18
  • 12