15) Ned Flanders mixed silver nitrate and sodium chloride. Immediately, Ned observed a white solid fall to the bottom of the beaker. He filtered and dried the solid and determined that it was silver chloride. What is the evidence that a chemical reaction occurred? Determine how much silver chloride Ned obtained and explain how you determined the answer. (Hint: law of conservation of mass)

Question

Chemistry

Mendoza

6 March, 21:25

15) Ned Flanders mixed silver nitrate and sodium chloride. Immediately, Ned observed a white solid fall to the bottom of the beaker. He filtered and dried the solid and determined that it was silver chloride. What is the evidence that a chemical reaction occurred? Determine how much silver chloride Ned obtained and explain how you determined the answer. (Hint: law of conservation of mass)

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Answers (1)

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Corbin Howell · Answer 1

Answer is: the evidence that a chemical reaction occurred is formation of white precipitate (change of color).

Balanced chemical reaction: AgNO₃ (aq) + NaCl (aq) → AgCl (s) + NaNO₃ (aq).

Solutions of silver nitrate and sodium chloride do not have color.

From chemical reaction: n (NaCl) : n (AgCl) = 1 : 1.

n (NaCl) = n (AgCl).

m (AgCl) = m (AgCl) · M (AgCl).