Answer :
a saline solution was made by dissolving 1.69 g sodium chloride in 200 ml distilled water,then the concentration of salt in the solution is 8.45 g/L.
To find the concentration of salt in the solution, we need to divide the amount of salt (in grams) by the volume of the solution (in liters).
First, we need to convert the volume from milliliters (mL) to liters (L):
200 mL = 0.2 L
Next, we can calculate the concentration of salt:
concentration = amount of salt / volume of solution
concentration = 1.69 g / 0.2 L
concentration = 8.45 g/L
Therefore, the concentration of salt in the solution is 8.45 g/L.
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