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How much sodium chloride, in grams, is needed to make 13 L of a solution that has a concentration of 2.0 g of sodium chloride per liter of solution?
Express your answer in grams to three significant figures.
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8

Sagot :

GinnyAnswer
To determine the amount of sodium chloride needed, let's follow these steps:

1. Identify the given values:
- Volume of the solution: 13 liters
- Concentration of sodium chloride: 2.0 grams per liter

2. Calculate the amount of sodium chloride needed:
- The amount of sodium chloride can be found by multiplying the volume of the solution by the concentration.
- [tex]\( \text{Amount of sodium chloride} = \text{volume of solution} \times \text{concentration} \)[/tex]
- [tex]\( \text{Amount of sodium chloride} = 13 \, \text{liters} \times 2.0 \, \text{grams per liter} \)[/tex]

3. Perform the multiplication:
- [tex]\( 13 \times 2.0 = 26.0 \)[/tex]

4. Express the final answer with three significant figures:
- The calculated amount is 26.0 grams.

Therefore, 26.0 grams of sodium chloride are needed to make 13 liters of the solution, with the answer expressed to three significant figures.
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