Question

3. Write the balanced molecular and net ionic equations for each of the following to Identify the spectator ions. C O CINU3)2(aq) -> precipitation 2 eactin unite ppt. equations for each of the following reactions. Cr(OH)3 (6 points) HNO3 crcoH)3 + HNO3- CrNO3 + Hy a. Solid chromium(III) hydroxide reacts with nitric acid H - No 3 b. Solid magnesium carbonate reacts with an aqueous solution of sulfuric

Answer 1

Solid chnomium () hydnoxide Peacts with nitnic acid The loalanced molecular equation be givew cam 3 H No3 (ar) Cn (OH) >Cn (NOs) r) + 3 Hzo(a) 3 complete tonie eauation Jiven Can (oH) (6)2 H (a1) +3N0 Car) Cro (as) t3 No ar) The Cam be ara + 3 H20 (2) hus the net fonic Can e1uation be given as Cp (OH) (5) 3Ht (as) (ar) + 3 H20(2) 3+ Cr Here the specta toro ion

Solid mag nes ium carbo nate neacts with dfSulturie acid The foalan ces mdeculan equation can be given ab an agueous solution Mg cos (s)ts04 (ar) Mg 504 (a) + co2 (9) + H2O (1) The comble teionic Mg cos (6)2H (ar) + s- equation (ar) Mj)504 () + co (9) tH20 (k) No the net ifonic equation ia Mgos () 2H (az) MJ + Lo2 (t t2o ) He re the pectaton ion is 2-