**Problem Statement:**What volume of 0.250 M HNO₃ (nitric acid) reacts with 44.8 mL of a 0.150 M Na₂CO₃ (sodium carbonate) solution?**Chemical Equation:**\[ 2 \, \text{HNO}_3 \, (\text{aq}) + \text{Na}_2\text{CO}_3 \, (\text{aq}) \rightarrow 2 \, \text{NaNO}_3 \, (\text{aq}) + \text{H}_2\text{O} \, (\text{l}) + \text{CO}_2 \, (\text{g}) \]**Explanation:**This equation represents the chemical reaction between nitric acid (HNO₃) and sodium carbonate (Na₂CO₃). In this reaction, two moles of aqueous nitric acid react with one mole of aqueous sodium carbonate to produce two moles of aqueous sodium nitrate (NaNO₃), one mole of liquid water (H₂O), and one mole of gaseous carbon dioxide (CO₂). To solve for the volume of HNO₃ required, use stoichiometry based on the given concentrations and volume of Na₂CO₃.

Given reaction : 2 HNO3 (aq) + Na2CO3 (aq) ==> 2 NaNO3(aq) + H2O(l) +CO2 (g) given molarity of HNO3 = 0.250 M volume of Na2CO3 = 44.8 ml = 0.0448 L (1 L= 1000ml ) molarity of Na2CO3 = 0.150 M first we will calculate moles of sodium carbonate using molarity equation : molarity = moles / volume of solution (in L) after this , we will calculate moles of nitric acid , and then the volume of nitric acid by using molarity equation again .Moles of sodium carbonate = molarity given * volume of solution moles of sodium carbonate = (0.150 mol/L) *(0.0448 L) moles of sodium carbonate = 0.00672 mol from balanced equation written above : 1 mol of sodium carbonate reacts with = 2 moles of nitric acid so , 0.00672 moles of sodium carbonate needs : (0.00672 *2 ) moles of Nitric acid = 0.01344 mol nitric acid Volume of nitric acid needed = moles /molarity volume of nitric acid = (0.01344 mol ) /(0.250 mol/L) = 0.05376L Ans: volume of nitric acid needed = 53.8 ml

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What volume of 0.250 M HNO3 (nitric acid) reacts with 44.8 mL of a 0.150 M Na₂CO3 (sodium carbonate) solution? 2 HNO3(aq) + Na₂CO3 (aq) - 2 NaNO3(aq) + H₂O (1) + CO₂ (g)

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

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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