Number of Atoms to Moles and Vice Versa 2. What two conversion factors would you need to use to find the number of hydrogen atoms in 2.12 moles of
propane (C3H3)?
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Some familiar products contain some of the same types of atoms. for instance, the chemical formula for baking soda is nahco 3. the chemical formula for liquid bleach is naclo, and the chemical formula for table salt is nacl. which choice best describes why these three products have some of the same types of atoms in common?

In the experiment you asked to react hydrochloric acid and with sodium hydroxide. when measuring the volume of the reactants, which instrument would give the greatest precision.

Ahelium balloon contains 16.9 l of helium at stp. how many atoms of helium are in the balloon