Question #02601

1 Answer
Ernest Z.
Feb 17, 2017

The normality of the acid is 0.20 eq/L.

Explanation:

The equation is

#color(white)(mmmmmm)"M(OH)"_2 + "Acid" → "salt + water"#
#"Amt/meq:"color(white)(mml) 20color(white)(mmmll)20#

An equivalent is the amount of acid or base that delivers one mole of #"H"^"+"# or #"OH"^"-"# ions.

Thus, 10 mmol of #"M(OH)"_2# represents 20 meq of the base.

It reacts with 20 meq of the acid.

∴ #"Normality" = "20 meq"/"100 mL" = "0.20 meq/mL" = "0.20 eq/L"#

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