In this lab you will need to prepare solutions using dilutions. Starting with the stock 0. 300 m naoh solution, how would you prepare a 0. 050 m naoh solution (using 0. 300 m nacl as the diluent)?.

Which of the following is an example of a parasite?

Use examples from the article to explain one positive and one negative effect that chemistry has had on society.

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