Just do 0.02 * 4 and you get 0.08 ml or 80 microliter
Answer : The correct option is, C.
Explanation :
pH meter : It is an electric device which measure the concentration of hydrogen-ion in the solution. It also measure the acidity or alkalinity of water in the solution.
Therefore, the purpose of student for testing the lake water is to understand how people use it in their daily-life. As this will help him to analyse the quality of lake water whether, it is fit for use or not.
The answer is 297.14 g/mol
A chemical reaction is a process in which one or more substances referred to as reactants are converted into one or more substances referred to as products.
- A chemical reaction can be defined as a chemical process that gives as a result one or more substances referred to as products of that reaction.
- A chemical reaction is catalyzed by specific proteins called enzymes, which are capable of lowering the activation energy of a chemical reaction.
- The most common types of chemical reactions include decomposition, synthesis, single and double replacement.
In conclusion, a chemical reaction is a process in which one or more substances referred to as reactants are converted into one or more substances referred to as products.
Learn more about chemical reactions here:
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