ANSWER BOTH QUESTIONS (a)

The absorbance of mixture at 400 nm was 0.40. Using

the standard curve, calculate the concentration of

haemoglobin in g/dl for this female patient.

(b) Comment on the concentration of haemoglobin of the

patient. The normal range of haemoglobin in female

adult varies from 12.0-15.8 g/dl.

You encounter a solution that is acidic and you decide to test it by adding a small amount of a strong acid. the ph lowers slightly but is approximately unchanged, and still remains acidic. what can you say about the solution? a. it is a buffer solution. b. it is not a buffer solution it is a strong acid solution. d. the solution has been neutralized. e. the solution has excess acid present

When the water vapor cools it condenses select a number that represents his process on the

In medium-sized stars such as the sun, nuclear fusion almost always means the fusing of nuclei to form , but larger stars can produce elements as heavy as