What mass of potassium chloride(MM=74.55 g/mol) is produced from the reaction of 2.0 G of potassium carbonate(138.21 g/mol) in 2.0 G of hydrochloric acid(MM=36.46 g/mol)?Please answer in grams.

What does the process of natural selection involve

The p sub shell can hold up to 8 electrons in an atom. true or false?

Astudent carefully transfers 30 g of water and 30 g of alcohol in a glass tube, forming two layers and filling the tube completely. after sealing the tube, the student mixes the solutions, and notices a bubble that forms in the tube. what is the mass of the contents in the glass tube after mixing?