What mass of precipitate (in g) is formed when 20.5 mL of 0.700 M Zn(NO:)2 reacts with 18.5 mL of 0.700 M NaOH in the following chemical reaction? Zn(NO:)>(aq) + 2 NaOH(aq) → Zn(OH)>(s) + 2 NaNO:(aq)

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**Problem Statement:**

Determine the mass of the precipitate (in grams) formed when 20.5 mL of 0.700 M Zn(NO₃)₂ reacts with 18.5 mL of 0.700 M NaOH in the given chemical reaction.

**Chemical Reaction:**

Zn(NO₃)₂(aq) + 2 NaOH(aq) → Zn(OH)₂(s) + 2 NaNO₃(aq)

**Explanation:**

- Zn(NO₃)₂ and NaOH are aqueous reactants.
- Zn(OH)₂ is the solid precipitate formed, while NaNO₃ remains in the aqueous solution.
- The stoichiometry shows a 1:2 ratio between Zn(NO₃)₂ and NaOH, indicating one mole of Zn(NO₃)₂ reacts with two moles of NaOH to form one mole of Zn(OH)₂ precipitate.
Transcribed Image Text:**Problem Statement:** Determine the mass of the precipitate (in grams) formed when 20.5 mL of 0.700 M Zn(NO₃)₂ reacts with 18.5 mL of 0.700 M NaOH in the given chemical reaction. **Chemical Reaction:** Zn(NO₃)₂(aq) + 2 NaOH(aq) → Zn(OH)₂(s) + 2 NaNO₃(aq) **Explanation:** - Zn(NO₃)₂ and NaOH are aqueous reactants. - Zn(OH)₂ is the solid precipitate formed, while NaNO₃ remains in the aqueous solution. - The stoichiometry shows a 1:2 ratio between Zn(NO₃)₂ and NaOH, indicating one mole of Zn(NO₃)₂ reacts with two moles of NaOH to form one mole of Zn(OH)₂ precipitate.
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