1. The pH scale is used to measure the acidity or alkalinity of a chemical solution. It is defined as pH measured in moles per litre. Blood has a hydronium ion concentration of approximately 3. 6X10-“mol / L. (a) How can you decide whether the blood is acidic or alkaline. - log [H+], where H+ is the concentration of hydronium ions, %3D (b) Suppose you read that the blood has pH of 5.3. Calculate the hydronium ion concentration in the blood.
1. The pH scale is used to measure the acidity or alkalinity of a chemical solution. It is defined as pH measured in moles per litre. Blood has a hydronium ion concentration of approximately 3. 6X10-“mol / L. (a) How can you decide whether the blood is acidic or alkaline. - log [H+], where H+ is the concentration of hydronium ions, %3D (b) Suppose you read that the blood has pH of 5.3. Calculate the hydronium ion concentration in the blood.
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![1. The pH scale is used to measure the acidity or alkalinity of a chemical solution. It is
defined as pH = - log [H+], where H+ is the concentration of hydronium ions,
measured in moles per litre. Blood has a hydronium ion concentration of
approximately 3. 6X10-°mol / L.
(a) How can you decide whether the blood is acidic or alkaline.
(b) Suppose you read that the blood has pH of 5.3. Calculate the hydronium ion
concentration in the blood.
2. To determine whether a person has a thyroid deficiency, a radioactive iodine with a
half-life of 8.2 days is injected into the bloodstream. A healthy thyroid is able to
absorb the entire radioactivity. The amountabsorbed into a healthy person's body,
R, of radioactivity present after t days can be modelled by the relationship
R(t) = Ro)*, where Ro is the initial dose. Calculate the time taken for 60% of the
iodine to be absorbed into a healthy person's body?](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fb2c2858b-3612-402a-8afb-52eebbaa1581%2Ff932a2ae-6233-4321-a534-1be9ba621099%2F7gcznv9_processed.png&w=3840&q=75)
Transcribed Image Text:1. The pH scale is used to measure the acidity or alkalinity of a chemical solution. It is
defined as pH = - log [H+], where H+ is the concentration of hydronium ions,
measured in moles per litre. Blood has a hydronium ion concentration of
approximately 3. 6X10-°mol / L.
(a) How can you decide whether the blood is acidic or alkaline.
(b) Suppose you read that the blood has pH of 5.3. Calculate the hydronium ion
concentration in the blood.
2. To determine whether a person has a thyroid deficiency, a radioactive iodine with a
half-life of 8.2 days is injected into the bloodstream. A healthy thyroid is able to
absorb the entire radioactivity. The amountabsorbed into a healthy person's body,
R, of radioactivity present after t days can be modelled by the relationship
R(t) = Ro)*, where Ro is the initial dose. Calculate the time taken for 60% of the
iodine to be absorbed into a healthy person's body?
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