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24.09.2019 •
Chemistry
An ideal gas, composed of classical particles of mass m, are in a cubic box at temperature t and pressure p. suppose that when particles are adsorbed at the bottom of the box, they can move freely in the plane with energy εs = p2m – €0, with > 0. assuming that the adsorbate is in equilibrium with the gas, obtain the number of adsorbed particles per unit area as a function of t and p; discuss your results.
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Ответ:
0.8764 M
Explanation:
Equation of the reaction:
NaOH + HCl --> NaCl + H2O
Number of moles = molar concentration × volume
= 0.039 × 0.639
= 0.0252 mol
By stoichiometry, 1 mole of HCl reacted with 1 mole of NaOH. Therefore, number of moles of HCl = 0.0252 mol
Molar concentration of HCl = number of moles ÷ volume
= 0.0252 ÷ 0.0288
= 0.8764 M of HCl.