Asked by Ethan
A 0.8870-g mixture of sodium chloride and potassium chloride is dissolved in water and silver nitrate is added. The AgCl that precipitates has a mass of 1.913 g. Calculate the percent by mass of potassium in the initial mixture。
Answers
Answered by
bobpursley
It is straightforward.
a) calculate themass of the chloride in the silver chloride.
b) calculate the chloride in .887g naCl
subtrace b from a
the remainder is cl in KCl. knowing that mass of chlorde ion, compute the mass of KCl.
a bit of math, but not rocket science here.
a) calculate themass of the chloride in the silver chloride.
b) calculate the chloride in .887g naCl
subtrace b from a
the remainder is cl in KCl. knowing that mass of chlorde ion, compute the mass of KCl.
a bit of math, but not rocket science here.
Answered by
oobleck
how can a question posted 3 1/2 years ago be "trending now"?
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