Dilute acids can react with calcium carbon- ate to form carbon dioxide gas (Figure 12.15). Calculate the number of millimoles of carbon dioxide gas produced and the concentration of all the ions remaining in solution following the reaction of 25 mL of 3.0 M HCl(aq) with 1.5 grams of CaCO3(s). (Assume that the volume of the solution does not increase appreciably with the addition of the calcium carbonate.)
States of Matter
The substance that constitutes everything in the universe is known as matter. Matter comprises atoms which in turn are composed of electrons, protons, and neutrons. Different atoms combine together to give rise to molecules that act as a foundation for all kinds of substances. There are five states of matter based on their energies of attraction, namely solid, liquid, gases, plasma, and BEC (Bose-Einstein condensates).
Chemical Reactions and Equations
When a chemical species is transformed into another chemical species it is said to have undergone a chemical reaction. It consists of breaking existing bonds and forming new bonds by changing the position of electrons. These reactions are best explained using a chemical equation.
Dilute acids can react with calcium carbon- ate to form carbon dioxide gas (Figure 12.15). Calculate the number of millimoles of carbon dioxide gas produced and the concentration of all the ions remaining in solution following the reaction of 25 mL of 3.0 M HCl(aq) with 1.5 grams of CaCO3(s). (Assume that the volume of the solution does not increase appreciably with the addition of the calcium carbonate.)
Answers:
15 mmol of CO2(g) are produced; [Ca2+] = 0.60 M; [Cl–] = 3.0 M; [H+] = 1.8 M
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