Question

Predict what would be observed (and why) from an aqueous mixture for each of the following...

Predict what would be observed (and why) from an aqueous mixture for each of the following (all substance are water soluble).
a) potassium carbornate and hydrochloric acid
b) zinc chloride and silver nitrate
c) magnesium chloride and sodium hydroxide
d) ammonium nitrate and sodium hydroxide
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Homework Answers

Answer #1

a) potassium carbornate and hydrochloric acid react with each other and bubble of CO2 appear. the following reaction take place

K2CO3(aq) +2HCl(aq)  2KCl(aq) + H2O(l) +CO2(g)

b) zinc chloride and silver nitrate react with each other and insoluble silver chloride formed the following reaction take place.

ZnCl2(aq) + 2AgNO3(aq) Zn(NO3)2(aq) + 2 AgCl(S)

c) magnesium chloride and sodium hydroxide react with each other and magnesium hydroxide precipitate observed reaction take place as follow

MgCl2(aq) + 2NaOH(aq) 2 NaCl(aq) + Mg(OH)2(s)

d) ammonium nitrate and sodium hydroxide react with each other and ammonia gas evonved and solid NaNO3 appear. reaction take place as follow

NH4NO3(aq) + NaOH(aq) NH3(g) +H2O(l) +NaNO3(s)

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