ACTIVITY 1: COUNT ME INI What to Do: 1. Read and analyze the situations below. 2. Answer and solve what is asked in each problem. SITUATION #1: One way to prevent the pandemic COVID-19 is to wash our hands with soap and applying alcohol as a disinfectant. The active ingredient in alcohol is ethanol. As you read the label of the alcohol, it is 70% ethyl alcohol in a 250ml bottle. With your curious mind, you want to know how many mL of ethyl alcohol is present in a 250mL. What would you do? Question #1: What is the volume of a 70% ethyl alcohol solution in a 250ml bottle to fight COVID-19 in situation #1?
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A complete description of a solution states what the solute is and how much solute is dissolved in a given amount of solvent or solution. The quantitative relationship between solute and solvent is the concentration of the solution. This concentration may be expressed using several different methods, as discussed next.
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