Dipole-dipole interactions, and London dispersion interactions
Alka-seltzer is an effervescent antacid which neutralizes the acid of the stomach by generating CO2. The chemical formula of alka-seltzer is C16H17NaO14. In this case, if we are given the mass of the antacid used, then by stoichiometry, mass alka-seltzer * (1/ molar mass of alk-selz) * (1 mol Co2 / 1 mol alk-seltz) * (44 g/molCo2). That is how you get the mass of Co2 produced.
I think the answer is <span>PCl5 + 4H2O → 5HCl + H3PO4
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B. It has a negative charge and much less mass than a proton.
