Answer:
Formula weight of MCl = 58.55 g/mol
M = Sodium
Explanation:
Calculation of the moles of 
as:-
Mass = 0.5471 g
Molar mass of = 143.32 g/mol
The formula for the calculation of moles is shown below:
Thus,
1 mole of AgCl is produced from 1 mole of MCl
So, moles of MCl = 0.00381 mol
Mass = 0.2231 grams
Molar mass = Mass/Moles = 0.2231 grams/0.00381 mol= 58.55 g/mol
Molar mass of Cl = 35.5 g/mol
Molar mass of M = Molar mass of MCl - Molar mass of Cl = 58.55 g/mol - 35.5 g/mol = 23.05 g/mol
This mass corresponds to sodium.
Answer:
0.66atm
Explanation:
Based on the reaction:
NH₄HS(s) ↔ NH₃(g) + H₂S(g)
The equilibrium constant, Kp, is defined as:
Kp = 0.11 = 
As moles of gas produced for NH₃(g) and H₂S(g) are the same, it is possible to write:
That means pressure of NH₃(g) is 0.33atm and H₂S(g) is, also, 0.33atm. Thus, total pressure is:
0.33atm×2 = <em>0.66atm</em>
Molar mass Cu(OH)2 => 97.561 g/mol
Therefore:
1 mole Cu(OH)2 ------------ 97.561 g
? moles Cu(OH)2 ----------- 68 g
= 68 x 1 / 97.561
= 68 / 97.561
= 0.696 moles of Cu(OH)2
When magnesium ions and chloride ions form a compound the chemical formula would be MgCl2 which means that for every 1 atom of Mg+ there would be 2 atoms of Cl- bonded. This would be proportional to units of moles.
Moles Cl- = 0.25 mol Mg2+ ( 2 mol Cl - / 1 mol Mg2+) = 0.50 mol Cl- would be needed
Answer:
carbon = 7 atoms
hydrogen = 8 atoms
nitrogen = 4 atoms
oxygen = 2 atoms
Explanation:
Chemical formula = C₇H₈N₄O₂
Elements present:
carbon
hydrogen
nitrogen
oxygen
Number of atoms of each element.
carbon = 7 atoms
hydrogen = 8 atoms
nitrogen = 4 atoms
oxygen = 2 atoms
