When 250.0 grams of H2SO4 reacts with 175.0 grams of NaOH: what mass of excess will be used?

What is produced from neutralization of an acid and a base? a. hydronium ions b. citric acid c. salt and water

Ascientist wants to know how individual lions within a pride interact with each other in their own environment. to do this, the scientist sedates and tags all of the lions within a pride. then, he places several remotely-controlled video cameras near the lions' den and performs an observational field study. he collects continuous video footage over the span of one year, analyzes the video, and then forms conclusions based on his observations.

How do you interpret a chromagram for what mixtures contain?