AnswersTX-Chemistry B-CRUnit Test — Unit testQuestion 5
5
QuizMultiple Choice

Unit Test — Unit test

Question 5 • TX-Chemistry B-CR

In a coffee shop, the following coffee samples are prepared for customers.i. 10 g of sugar added to 100 g of coffeeii. 10 g of sugar added to 200 g of coffeeiii. 4 g of sugar added to 200 g of coffeeiv. 4 g of sugar added to 100 g of coffeeBased on the amount of sugar added, which sequence ranks the coffee from the sweetest coffee to the least-sweet coffee?

Answer
A
i, ii , iii, iv
B
iii, iv, ii, i
C
iv, i, ii, iii
D
i, ii, iv, iii

Explanation

Compare the amount of sugar per gram of coffee in each sample. Sample i has 10/100 = 0.10 g per gram, ii has 10/200 = 0.05, iv has 4/100 = 0.04, and iii has 4/200 = 0.02. From greatest to least sugar concentration, the order is i, ii, iv, iii, so the correct choice is D.

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