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What is the density of 47.0 wt% aqueous NaOH (FM 40.00) if 17.6 mL of the solution diluted to 1.80 L give 0.172 M NaOH?
Expert Answer
Here we have,
47.0 wt% (0.47%) aqueous NaOH (FM 40.00) [47 g NaOH in 100 ml water]
Volume of NaOH solution = 17.6 mL
diluted to 1.80 L give 0.172 M NaOH
First we calculate mass of NaOH in final solution (1.80 L)
with, moles of NaOH = molarity of solution (M) x volume of solution (L)
= 0.172 M x 1.80 L
= 0.3096 mols
with, moles = mass (g)/molar mass (g/mol)
we get,
grams of NaOH in solution = 0.3096 mols x 40 g/mol
&...
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