How many grams of ethanol (density 0.80 g/cm3 ) should be added to 5.0 g of chloroform (density 1.5 g/cm3 ) if the resulting mixture is to have a density of 1.2 g/cm3? Assume that the fluids do not change their volumes when they are mixed
A) 2.0 g
B) 2.4 g
C) 1.8 g
D) 4.4 g
E) 1.6 g
A
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a. 11 b. 9 c. 24 d. 13
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Why are troops instructed to break step when they are marching over a bridge?
What will be an ideal response?