Using the titration formula, we know that:
(2.0 M)(volume of acid)=(3.0 M)(250 mL)
volume of acid = (3.0)(250)/(2.0) = 375 mL
Answer:
The answer is boiling point
Answer:
Molarity = 0.4 mol.L⁻¹
Solution:
Molarity is given as,
Molarity = Moles / Volume of Solution
Also,
Moles = Mass / M.mass
So,
Molarity = Mass / (M.mass × Volume of Solution)
Data Given,
Mass = 89 g
M.mass of Na₂SO₄ = 142 g.mol⁻¹
Volume = 1.5 L
Putting Values,
Molarity = 85 g ÷ (142 g.mol⁻¹ × 1.5 L)
Molarity = 0.399 ≈ 0.4 mol.L⁻¹
Answer:
On the Moh's scale of hardness, aluminum oxide is positioned just below to diamond due to which it is considered as one of the hardest known compounds. This also shows that the compound exhibit an enormous amount of lattice energy, as to transform the oxide into its constituent ions, the energy is required to overcome.
Based on the chemical formula of the compound, that is, Al2O3, it is shown that the ions of Al3+ and O2- are kept close due to the activity of the strong electrostatic ionic bonds. The electrostatic forces and the ionic bonding between the ions are extremely robust due to the presence of the ions high charge density. Therefore, to dissociate the bonds, an enormous amount of energy is needed, and at the same time, a high amount of lattice energy is present.
E=hf is the answer gotta run now hope the best for yall