1) 1.8 micrograms(least)
2) 1.8 grams
3) 1.8 kilograms(greatest)
Answer:
Your missing the entire Transitional Metal group as well as all the Lanthanides and Actinides.
Explanation:
The groups are:
Alkali metals.
Alkaline earth metals.
Transitional metals.
Crystallogens.
Pnictogens.
Chalcogens.
Halogens.
Noble gases.
The right option is; a pure substance and an element.
A piece of sodium metal can be described as a pure substance and an element.
Sodium is a chemical element with an atomic number of 11. Sodium is a soft, waxy, silvery, highly reactive metal. Sodium belongs to group 1 of the periodic table and it is highly abundant in the earth’s crust. Sodium can also be found in various minerals such as rock salt, feldspars and sodalite.
Answer:
See below
Explanation:
From the equation you can see 5 mole O2 results in 3 moles CO2
( this is the limiting reagent because C3H8 : O2 is 1:5)
6.2 / 5 * 3 = 3.72 moles CO2 produced
CO2 weighs ~ 44 gm/mole 44 gm/mole * 3.72 mole = 163.68 gm of CO2