1 mole = 6.022×10^23 atoms. 1 water molecule = 2 Hydrogen atoms + 1 oxygen atom. So, 1 mole H2O = 1.2044×10^24 hydrogen atoms. Therefore 2 mole H2O will have 2.4088×10^24 hydrogen atoms.
Answer:
potassium hydroxide + sulfuric acid → potassium sulfate + water.
Explanation:
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A scale and a ruler. The scale to measure the mass, and a ruler to measure the volume.
Uranium is in the "f" block, because it's external electron configuration is