The molar Concentration of KMnO₄ is 0.000219 M
Concentration is the abundance of a constituent divided by means of the overall extent of an aggregate. numerous styles of mathematical description may be outstanding: mass awareness, molar awareness, variety concentration, and quantity awareness.
y is absorbance
x is the molar concentration of KMnO_4
y = 4.84E + 03x - 2.26E - 01
0.833 = 4.84 * 10⁺⁰³ x - 2.26 * 10⁻¹
1.059 = 4.84 * 10⁺⁰³ x
X = 0.000219 M
Hence, The molar Concentration of KMnO₄ is 0.000219 M
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Answer:
Physics is a natural science based on experiments, measurements and mathematical analysis with the purpose of finding quantitative physical laws for everything from the nanoworld of the microcosmos to the planets, solar systems and galaxies that occupy the macrocosmos.
Answer: The change in energy of the gas mixture during the reaction is 60 kJ. The reaction is endothermic.
Explanation:
According to first law of thermodynamics:
=Change in internal energy
q = heat absorbed or released
w = work done or by the system
w = work done on the system
w = -155 kJ
q = +215kJ {Heat absorbed by the system is positive}
As the heat is absorbed and enthalpy increases, the reaction is endothermic.
Answer:u just answered your question
Explanation:
Answer:
B = 0.10 M of AlCl₃
Explanation:
A = 0.10 M NaCl
NaCl → Na⁺ + Cl⁻
sodium chloride dissociate into sodium and chlorine ions. The one mole of NaCl produced on mole of Na⁺ and one mole of Cl⁻, so concentration of chloride ions will be 0.10 M.
B = 0.10 M of AlCl₃
AlCl₃ → Al³⁺ + 3Cl⁻
AlCl₃ dissociate into aluminium cation and chlorine anion. one mole of AlCl₃ dissociate into one mole of Al³⁺ and three mole of Cl⁻.
so concentration of chloride ion in 0.10 M solution is
0.10 × 3 = 0.3 M
C = 0.10 M MgCl₂
MgCl₂ → Mg²⁺ + 2Cl⁻
MgCl₂ dissociate into one mole of Mg²⁺ and two mole of Cl⁻.
so concentration of chloride ions in 0.10 M solution of MgCl₂ is,
2× 0.10 M = 0.20 M
d = 0.05 M CaCl₂
CaCl₂ → Ca²⁺ + 2Cl⁻
CaCl₂ dissociate into one mole of Ca²⁺ and two mole of Cl⁻, So concentration of chloride ions in 0.05 M CaCl₂ is
2× 0.05 = 0.1 M