An Investigation Into the Density of “Mock” Blood.

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An Investigation Into the Density of "Mock" Blood.

INTRODUCTION

The aim of this investigation is to find out the relative densities of three different 'mock' blood samples representing three different people. Sample A represents blood taken from a normal, healthy adult male who lives at sea level. Sample B represents blood taken from the same male after he has undergone six months of regular aerobic exercise. Sample C represents blood taken from the same male after he has spent three months undergoing aerobic training at altitude.

PREDICTION

I predict that the density of sample A and B will be fairly similar with not a lot of difference between them. However, there will be a difference between samples A and B compared to sample C.
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APPARATUS

* 100cm3 sample A

* 100cm3 sample B

* 100cm3 sample C

* 24.96g copper (II) sulphate

* 1dm3 distilled water

* three 1cm3 plastic syringes fitted with long needles

* three 100cm3 measuring cylinders

* stopwatch or clock

METHOD

. Fill three measuring cylinders with a 0.1mol/dm3 copper (II) sulphate solution, to a depth of approximately 5cm above the 100cm3 level. The copper (II) sulphate solution should be made up by dissolving 24.96g of copper (II) sulphate into 1dm3 of water. NB this must be ...

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