moles = g/molar mass = 30.0/58.5 = ?
M = moles/L of solution = moles/0.800 = ?
30.0 g of NaCl(s) is added to water to make 800 mL of salt solution.
a. Determine the number of moles in 30.0 g of NaCl(s).
b. Calculate the molar concentration of this salt solution.
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