Be sure to complete step ONE before moving on to the other steps. Break each step down. You should have four steps altogether. Consider a double replacement reaction between Zinc (ll) chloride and sodium hydroxide: ZnCl2+NaOH ==> Complete the chemical equation by: Step 1: Rewrite it to include electrically-neutral ionic product formulas for each formula. Hint for step 1: rewrite the entire equation including charges. For example, if Na + Cl2 ==> were your reactants, you would not predict NaCl2 as a chemical product because that is not an electrically neutral compound formula. Sodium chloride contains sodium ions, each with a +1 charge, and chloride ions, each with a -1 charge. Overall, the compound has no charge, because the positive sodiums balance out the charge on the negative chlorides, and vice versa. Step 2: Balance the equation. Step 3: Add subscripts (aq, I, s, or g) to show how the reactants combine and which product will precipitate to be collected as a solid. Step 4: Provide subscripts for both reactants and both products.

Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
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Be sure to complete step ONE before moving on to the other steps. Break each step down. You should have four steps altogether. Consider a double replacement reaction between Zinc (ll) chloride and sodium hydroxide: ZnCl2+NaOH ==> Complete the chemical equation by: Step 1: Rewrite it to include electrically-neutral ionic product formulas for each formula. Hint for step 1: rewrite the entire equation including charges. For example, if Na + Cl2 ==> were your reactants, you would not predict NaCl2 as a chemical product because that is not an electrically neutral compound formula. Sodium chloride contains sodium ions, each with a +1 charge, and chloride ions, each with a -1 charge. Overall, the compound has no charge, because the positive sodiums balance out the charge on the negative chlorides, and vice versa. Step 2: Balance the equation. Step 3: Add subscripts (aq, I, s, or g) to show how the reactants combine and which product will precipitate to be collected as a solid. Step 4: Provide subscripts for both reactants and both products.
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