Calculate the concentration (m) of sodium ions in a solution made by diluting 70. 0 ml of a 0. 274 m solution of sodium sulfide to a total volume of 400 ml.

Who can you think of that has an a in their first name and a b in their last name?

An ancient marble statue is moved from a rural location to a highly polluted city explain how the move might affect the statue and why you think so

Panthers and leopards prey on deer in an ecosystem. for unknown reasons, the population of leopards increased drastically. what are the likely effects of this change on the species? 1. more food for panthers and more competition for leopards 2. less food and more competition for panthers 3. fewer deer and more competition for panthers 4. more food for deer and less competition for panthers and leopards 5. more food for leopards and less competition for panthers