How many liters of water are needed to dissolve 11.13 grams of CaCl2 to make a 2.1 M solution?

Calculate the mass percent of hydrogen in methyl acetate

Brainliesttt me asap! the below reaction can be categorized as more than one type of reaction. which reactions are these, and what are the types of reactions?

Which type of precipitation would most likely form when the surface air temperature is slightly below freezing and the air temperature increases as you move upward away from the ground?