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Interpretation: The mass of the solid sodium carbonate is to be determined.
Concept Introduction:
The molarity is the number of moles of the solute dissolved per liter volume of the solution. It is represented in mathematical term such that,
Where, n is the number of moles,
V is the volume of the solution.
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Answer to Problem 28A
The mass of the sodium carbonate is
Explanation of Solution
Given information:
The volume of the solution,
The molarity of the solution,
The molar mass of sodium carbonate is,
Calculation:
The molarity formula is,
Firstly, find the number of moles of the sodium carbonate,
Now, use this value of number of moles in the molarity formula, and the result is,
The mass is
Chapter 15 Solutions
World of Chemistry
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- Given the standard enthalpies of formation for the following substances, determine the reaction enthalpy for the following reaction. 4A (g) + 2B (g) → 2C (g) + 7D (g) AHrxn =?kJ Substance AH in kJ/mol A (g) - 20.42 B (g) + 32.18 C (g) - 72.51 D (g) - 17.87arrow_forwardDetermine ASran for Zn(s) + 2HCl(aq) = ZnCl2(aq) + H2(aq) given the following information: Standard Entropy Values of Various Substance Substance So (J/mol • K) 60.9 Zn(s) HCl(aq) 56.5 130.58 H2(g) Zn2+(aq) -106.5 55.10 CI (aq)arrow_forward3) Catalytic hydrogenation of the compound below produced the expected product. However, a byproduct with molecular formula C10H12O is also formed in small quantities. What is the by product?arrow_forward
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