Answer the following three questions considering the chemical equation presented below: K2CO3 (aq) + CaCl2 (aq) → CaCO3 (s) + 2 KCl (aq) Calculate the mass of KCl produced if 12.6 mL of 0.0587 M CaCl2 reacts with excess K2CO3.

Im having a hard time with this one, I was trying to look for a formula in my notes but I can’t figure out how to set this up or what to use to solve it.

Mrs. smith ordered a root beer float (vanilla ice cream + root beer). mrs. smith noticed that the three states of matter (solid, liquid, and gas) all existed simultaneously in her root beer float. a. identify each phase of matter in the root beer float. b. describe the particles of all three phases of matter in the root beer float. (how are the particles arranged and moving? ) c. identify one phase change you would see in a root beer float and described what causes this change.

Why is permeable soil best for plants that need a lot of drainage?

Water's surface tension and heat storage capacity are accounted for by its a) orbitals b) weight c) hydrogen bonds d) mass e) size