Answer:
The maximum amount possible of product and the amount experimentally recovered
Explanation:
Explanation
Given
Mass of zinc = 5.0 g
We know molar mass of Zinc =
Answer;
-Two chlorine atoms
Explanation;
A barium atom attains a stable electron configuration when it bonds with two chlorine atoms.
-Barium is an alkaline earth metal, in group two of the periodic table. Like other alkaline earth metal it has a valency of two which means it reacts by loosing two electrons.
-Chlorine on the other hand is a halogen (group seven element) it reacts by gaining an electron, thus two chlorine atoms will require two electrons. Therefore, Barium would attain a stable configuration by loosing two electrons to two chlorine atoms.
Answer:
0.2 moles of solute are in 200 mL
Explanation:
If we assume an aqueous solution, the solvent's density is 1g/mL
Solvent's volume = 200 mL
Solvent's density = Solvent's mass / Solvent's volume
Solvent's mass = solvent's density . solvent's volume → 200 mL . 1g/mL = 200 g
1 m means molality, we have 1 mol of solute in 1000 g of solvent, but in here the mass of solvent is 200 g. Let's make a rule of three:
1000 g of solvent have 1 mol of solute
Therefore, 200 g of solvent must have (200 .1) / 1000 = 0.2 moles
Lithium, it has an atomic number of about 3
