We are measuring the specific gravity of sugary drinks, soda, and diet soda. A n

Question

We are measuring the specific gravity of sugary drinks, soda, and diet soda. A number of sports drinks have dissoled salt (to replace electrolytes), as well as dissovled sugar (energy).
a.) If you dissolved salt in one of the samples, what would happen to the specific gravity. (Example of one of my sample: Mass Sugar=48g Specific Gravity=1.044)
b.) What happens to sugar concentration after you dissolve salt? (Assume salt has no effect on sampling volume)

c) If you did not know salt was in the drink, and you calculated % sugar in the drink, would your reported % w/v of sugar be too low or just right?

d.) One sports drink has 450 mg NaCl/L. Calculate the % salt in this drink.

Explanation / Answer

a) greater than 1

b) sugar concentration stagnent.

c) too low

d)450 mg -n 1000ml

=0.045% of salt

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