Determine the correct oxidation numbers for all three elements in Ca(CIO)_2 in t

Question

Determine the correct oxidation numbers for all three elements in Ca(CIO)_2 in the order that the element, are shown in the formula? +2, +1, -1 +2, -2, +1 +2, -3, +2 -2, +2, -1 -2, +3, -2 How many total electrons are transferred in the following reaction? 2Na(s) + Cl_2 (g) 2NaCl(s) 1 2 3 4 5 Identify the correct ner ionic equation for the reaction that occurs when solutions of Na_5 PO_4 and Ca(NO_3)_2 are mixed Caa^2- + PO_4^2- (aq) CaPO_s(s) 3Ca^2+ (aq) + 2PO_4^5- (aq) Ca_3 (PO_4)_2 (s) Na^+ (aq) + NO_3^- NaNO_3 (s) Na^+ (aq) + Ca^2+ (aq) + PO_4^3- (aq) NaCaPO_4(s) 2 Na_3PO_2 (aq) + 3Ca(NO_3)_2 (aq) 6 NaNO_3(s) + Ca_2(PO_4)_2(s) Identify the correct net ionic equation for the reaction that occurs when solutions of HNO_3 and KOH are mixed? HNO_3 (aq) + KOH (aq) H_2 O (I) + KNO_2 (aq) K^- (aq) + NO_3^- (aq) KNO_2 (aq) HNO_3 (aq) + KOH (aq) (I) + KNO_3 (s) H^+ (aq) + OH^- (aq) H_2 O(l) HNO_3 (aq) + OH^- (aq) H_2 O (I) + NO_3^- (aq) A 50.0 mL sample of 0.436 M NH_4 NO_3 is diluted with water to a total volume of 250.0 mL. What is the ammonium nitrate concentration in the resulting solution? 21.8 M 0.459 M 2.18 times 10^-2 M 8.72 times 10^-2 M 0.109 M

Explanation / Answer

21.

Ca(ClO)2

here Ca is in +2 oxidation

Cl is in +1

O is in -2

option A is correct answer

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