Identify an anion. an atom that has gained a proton. an atom that has gained an electron. an atom that has lost an electron. an
1 answer:
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Answer:
4.35 mol/L
Explanation:
There is some info missing. I think this is the original question.
<em>A chemist prepares a solution of sodium chloride by measuring out 25.4 grams of sodium chloride into a 100 mL volumetric flask and filling the flask to the mark with water. Calculate the concentration in mol/L of the chemist's sodium chloride solution. Be sure your answer has the correct number of significant digits.</em>
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Step 1: Calculate the moles of sodium chloride
The molar mass of sodium chloride is 58.44 g/mol. The moles corresponding to 25.4 grams of sodium chloride are:
Step 2: Calculate the liters of solution
We will use the relationship 1 L = 1,000 mL.
Step 3: Calculate the concentration of sodium chloride in mol/L