The units of ppm means parts per million. Also, It is equivalent to milligrams per liter. It is one way of expressing concentration of a substance. It u<span>sually used to describe the concentration of something in water or soil. We calculate the mass of CaCO3 as follows:
Mass = 75 mg/L (.050 L) = <span>3.75 mg CaCO3</span></span>
Answer:
Cada uno de esos orbitals sons los differentes grupos en la tabla periodica.
Explanation:
Answer:
Are less reactive
Explanation:
Alkaline-earth metals are to the right of alkali metals.
Answer:
Light changes speed in a glass of water.
Explanation:
