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Sagot :
There are 61.06 grams of of sodium chloride in its aqueous solution.
An aqueous solution is the one in which solvent is always water. Water is the most used universal solvent.
According to the question,
Volume of water = 550 ml = 0.55 L
Molarity of solution = 1.90 M
Formula for molarity = moles of solute / volume of solvent
1.90 = moles of solute / 0.55 L
Moles of solute = 1.90 × 0.55 L = 1.045 moles
Now, moles = mass / molar mass
molar mass of NaCl = 58.44 g/mol
Therefore, 1.045 = mass / 58.55 g/mol
Hence, mass in grams = 1.045 × 58.44 g/mol
Mass = 61.07 grams
To know more about aqueous solution, here
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