A chemistry experiment requires 21 ml of an acid solution. How many liters of acid should be ordered when 4 classes of 32 students each are going to perform the experiment? (The acid must be ordered by the whole liter.)
A) 26 L
B) 269 L
C) 84 L
D) 2 L
E) 2688 L
D) 2 L
Health & Biomechanics
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