A certain metallic element forms a compound with chlorine, having the general formula XCl2. The X ion in this compound has 28 electrons. What is element X? a. Fe b. V c. Ni d. Zn The generic formula for a metal chloride with an unknown metal is MCl4. An 8.74...
The mass of one mole of a particular compound is known as the molar mass. It is also known as the molecular or formula mass. The terms are used depending on the type of compound present.Answer and Explanation: The formula mass of magnesium chloride is obtained by taking the sum of the ...
Typically, men have an RBC of 4.7 million to 6.1 million cells per microliter (MCL). Women have a slightly lower count of 4.2 million to 5.4 million cells/mcL; the values of a pregnant woman should be slightly lower. Children have an RBC of 4.0 million to 5.5 million cells per microlite...
Question: The EPA drinking water standard for toluene is 3 mg/L. What is this concentration in ppm? A) 0.003 B) 0.3 C) 3 D) 3000 Parts Per Million: Parts per million (ppm) is one way of expressing the concentration of a solute in a solut...
EPA's drinking water standard reveals the maximum concentration of contaminants allowed. This concentration can be given implying various units. Since, allowed concentration is quite low, units like mg/L, ppb etc are used. Answer and Explanation:1 ...