The number of hydrogen ions in 1.0dm\(^3\) of a 0.25 mole tetraoxosulphate(Vl) acid solution is
[Avogadro constant = 6.02 x 10\(^{23}\)]
a
1.45x1023
b
1.50 x l023
c
3.00x1023
d
3.15x1023
e
6.00x1023
Explanation
Correct Option
bVideo Explanation
No video available
Post your Contribution
Share:
Discussions (5)

Roland1201
1 year ago
Since H₂SO₄ is a strong acid, it completely dissociates into 2H⁺ and SO₄²⁻.
Number of moles of H₂SO₄ = 0.25 mol
Number of moles of H⁺ = 2 × 0.25 = 0.5 mol
Using Avogadro's constant:
Number of H⁺ ions = 0.5 mol × 6.02 × 10²³ mol⁻¹
= 3.01 × 10²³
is correct.
