The ph scale is used to express the concentrations of hydronium ions and ions in solutions.

a.) carbon
b.) potassium
c.) hydroxide

Put these processes of the water cycle in the correct order, starting at the point where the water is in the lake: 1. water evaporates into the atmosphere 2. rain, snow, or other precipitation falls 3. water collects into larger bodies of water 4. water vapor condenses into liquid water

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Asample of aluminum foil contains 8.60 × 1023 atoms. what is the mass of the foil?