The commercial concentrated hydrochloric acid is rated at 38 w/w%. The density of the solution is...
Question:
The commercial concentrated hydrochloric acid is rated at 38 w/w%. The density of the solution is 1.18 g/mL. Calculate the molarity of HCl, the molality of HCl, and the mole fraction of HCl.
Concentration
The concentration in terms of molarity (M) is defined as the moles of a substance present in 1 L of the solution and the molality (m) is defined as the moles of the substance present in 1 kg of the solvent.
Answer and Explanation: 1
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We are given 38 w/w% solution of hydrochloric acid that means 38 g of HCl present in 100 g of solution.
- Mass of HCl = {eq}36\ g {/eq}
- Mass of...
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Calculating Molarity and Molality Concentration
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