Question #142588

What volume (in milliliters) of a 0.635 M NaOH solution contains 8.35 g of NaOH?

Expert's answer

"\\begin{aligned}\n&\\textsf{mass of }NaOH = 8.35g\\\\\n&\\textsf{amount of }NaOH = \\frac{8.35}{40} = 0.209mol\\\\\n&\\textsf{concentration of }NaOH = 0.635M\n\\end{aligned}"

"Volume = \\dfrac{no.\\ of\\ moles}{concentration}"

"\\begin{aligned}\nVolume =\\dfrac{0.209}{0.635}= 0.329dm^3\n\\end{aligned}"

Volume = "0.329dm^3" = 0.329L = "0.329\u00d7 1000" mL = 329mL

"\\therefore" The volume (in milliliters) of the solution is 329 mL.

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