Chemistry Equation questions

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

  • Reaching mass
  • Concentration
  • Calculating the atom ecomony of two isotopes of the same element
  • Calculating Relative mass on the periodic table
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Other questions in this quiz

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

  • 20g
  • 18g
  • 16g
  • 17g

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

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

4. How dow we calculate the number of Moles?

  • Mass X Mr
  • Mass/ Mr
  • Mr/ Mass X 100
  • Mass/ Mr X 100
  • Mr/Mass

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

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

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