During lab, students mixed two solutions of soluble ions in a ceramic well to de

Question

During lab, students mixed two solutions of soluble ions in a ceramic well to determine if a precipitate forms.
Write the dissolution reaction for the ionic solids below. (Use the lowest possible coefficients. Include states-of-matter under the given conditions in your answer.) (a) Ca(NO3)2 chemPadHelp

(b) Na3PO4 chemPadHelp

The two solutions, when mixed, will have two cations and two anions. (c) Based on your lab results, enter the cation and anion for which a precipitate will form. (Separate substances in a list with a comma.) chemPadHelp

(d) Write the net precipitation reaction that occurs. (Use the lowest possible coefficients. Include states-of-matter under the given conditions in your answer.)

During lab, students mixed two solutions of soluble ions in a ceramic well to determine if a precipitate forms.
Write the dissolution reaction for the ionic solids below. (Use the lowest possible coefficients. Include states-of-matter under the given conditions in your answer.) (a) Ca(NO3)2 chemPadHelp

(b) Na3PO4 chemPadHelp

The two solutions, when mixed, will have two cations and two anions. (c) Based on your lab results, enter the cation and anion for which a precipitate will form. (Separate substances in a list with a comma.) chemPadHelp

(d) Write the net precipitation reaction that occurs. (Use the lowest possible coefficients. Include states-of-matter under the given conditions in your answer.)

During lab, students mixed two solutions of soluble ions in a ceramic well to determine if a precipitate forms.
Write the dissolution reaction for the ionic solids below. (Use the lowest possible coefficients. Include states-of-matter under the given conditions in your answer.) (a) Ca(NO3)2 chemPadHelp

(b) Na3PO4 chemPadHelp

The two solutions, when mixed, will have two cations and two anions. (c) Based on your lab results, enter the cation and anion for which a precipitate will form. (Separate substances in a list with a comma.) chemPadHelp

(d) Write the net precipitation reaction that occurs. (Use the lowest possible coefficients. Include states-of-matter under the given conditions in your answer.)

Explanation / Answer

a) Dissolution reaction of Calcium nitrate Ca(NO3)2.

Ca(NO3)2 (s) + H2O ----------> Ca(NO3)2. (aq.) -------------> Ca2+ (aq.) + 2 NO3 -(aq.)

b) Dissolution of Sodium phosphate Na3PO4.

Na3PO4 (s) + H2O --------> Na3PO4. (aq.) ----------------> 3 Na+ (aq.) + PO4.3- (aq.)

c) On mixing Calcium nitrate (Ca(NO3)2) and Sodium phosphate (Na3PO4.)

Most likely to be precipitating,

Cation: Ca2+ (aq.)

Anion: PO43- (aq.)

Cross check with practical findings (

4)

3 Ca(NO3)2. (aq.) + 2 Na3PO4. (aq.) -----------------> Ca3(PO4)2 (aq.) + 6Na+ (aq.) + 6 NO3- (aq.)

Net precipitation reaction,

3 Ca2+ (aq.) + 2 PO43- (aq.) --------------> Ca3(PO4)2 (s) (calcium phosphate)

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