Answer:
The molecular weight is 77.7 kg/mol
Explanation:
The molecular mass of hemoglobin is equal to:

Where
R = molar gas constant = 8.315 J/K mol
p = density = 0.998 g/mL
V = specific volume = 0.755 mL/g
s = sedimentation rate = ?
D = diffusion rate = 7x10⁻¹¹m²/s
T = temperature = 303 K
The sedimentation rate is equal to:

Where
w = angular velocity = 39300 rpm = 246929.18 rad/min
xb,30 = boundary midpoint distance at 30 min = 4.525 + 0.074 cm
t = time = 30 min
xb,0 = boundary midpoint distante at 0 min = 4.525 cm

The molecular weight is:

The change in oxidation number = +1
<h3>
Further explanation</h3>
Reaction 1
Cl₂(aq) + H₂O(I) → H⁺(aq) + Cl⁻(aq) + HClO(aq)
Reaction 2
HClO(aq) + H₂O(I) → H₃O⁺(aq) + ClO⁻(aq)
The change in oxidation number of chlorine :
From Cl₂ to ClO⁻
oxidation number Cl₂=0
oxidation number Cl in ClO⁻

So the change : +1
A. 0.12 (mol/L)/s
rate = 1 x 10-2 • 2^2 • 3
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