A solution of acetic acid is labeled 15%(w/v). How much water must be added to 30. mL of this solution to reduce the concentration to 5.0%(w/v)? [Assume volumes are additive.]
A) 30. mL
B) 60. mL
C) 90. mL
D) 120 mL
B
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Human-induced global warming using today's technology can be thought of as a geologically
temporary phenomenon. Why is this? What will be an ideal response?
Zero population growth is best represented by a
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The Earth's axial tilt varies from 21.5° to 24.5° during a 41,000 year period
Indicate whether the statement is true or false
The introduction of which of the following non-native species has done has done extensive damage to the Black Seas's fishing and tourist industries?
A) Atlantic comb jelly Mnemiopsis leidyi B) Seaweed Caulerpa taxifolia C) European green crab Carcinus maenas D) Atlantic cordgrass Spartina alterniflora E) European zebra mussel Dreissena polymorpha