What is the molarity of a solution made by dissolving 18.4 g of potassium perchlorate in enough water to fill a 300.00 ml volumetric flask to the calibration mark?

The covalent compound acetylene, which is the fuel of the oxyacetylene torch used by welders, has the molecular formula c2h2. the covalent compound benzene, a commercial solvent, has the molecular formula c6h6 each of these covalent compounds contains carbon and hydrogen atoms in a one-to-one ratio. would it be correct to write the chemical formulas of each as ch? explain.

How have the greenhouse gasses increased from the year 2000 to 2018

Astudent conducts an experiment to determine how the amount of water given to a plant affects its growth. what is the independent variable for this experiment?