An ethanol-water solution is prepared by dissolving 10.00 mL of ethanol, C2H5OH
( d = 0.789 g/mL) in enough water to produce 100.0 mL of a solution with a density of 0.982 g/mL. What is the mass percent of ethanol in the solution?
Group of answer choices

8.03%

8.84%

7.89%

9.13%

13.5%

Describe the difference between a. a hypothesis and a theory and b. an observation and an experiment.

Using the periodic table, complete the table to describe each atom. type in your answers

Which set of characteristics best describes igneous rock? a) largest type of rock, made of organic matter, hardest type of rock b) least abundant type of rock, made of other rocks, made mostly of minerals c) found on all continents, contains wavy bands of stripes, contains fossils d) most abundant type in earth's crust, made of magma/lava, contains no fossils