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6. One mole of water contains (6.022 x 10^23) hydrogen atoms. 7. C2H3O2 could be an empirical formula. 8. An empirical formula gives the smallest whole number ratio of each type of atom in a molecule. 9. The empirical formula mass must be 25.0 g/mole if the molecular formula mass is 250 g/mole and n = 5. 10. The simplest formula for hydrogen peroxide is HO. To determine its molecular formula, it is necessary to know the molar mass of hydrogen peroxide. 11. How many grams of Na are in (1.48 x 10^25) Na atoms? Show your work.

          6. ________ One mole of water contains (6.022 x 10^23) hydrogen atoms.
7. ________ C2H3O2 could be an empirical formula.
8. ________ An empirical formula gives the smallest whole number ratio of each type of atom in a molecule.
9. ________ The empirical formula mass must be 25.0 g/mole if the molecular formula mass is 250 g/mole and n = 5.
10. ________ The simplest formula for hydrogen peroxide is HO. To determine its molecular formula, it is necessary to know the molar mass of hydrogen peroxide.
11. How many grams of Na are in (1.48 x 10^25) Na atoms? Show your work.

6. One mole of water contains (6.022 x 10^23) hydrogen atoms.
7. C2H3O2 could be an empirical formula.
8. An empirical formula gives the smallest whole number ratio of each type of atom in a molecule.
9. The empirical formula mass must be 25.0 g/mole if the molecular formula mass is 250 g/mole and n = 5.
10. The simplest formula for hydrogen peroxide is HO. To determine its molecular formula, it is necessary to know the molar mass of hydrogen peroxide.
11. How many grams of Na are in (1.48 x 10^25) Na atoms? Show your work.

Added by Harriet N.

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