A40.0 ml sample of 0.18 m hcl is titrated with 0.36 m c& hgnh2. determine the ph at these points: at the beginning (before base is added) show work a. kbr 3.9x10 ph after adding 15.00 ml of koh b. show work ph after adding 30.00 ml of koh c. show work nh

This image is an example of a(n) a) atom. b) compound. c) mixture. d) molecule.

How many atoms are there in 5.70 mol of mg

The human activities in two locations are described below: location a: rampant use of plastic containers location b: excessive use of pesticides and fertilizers which statement is most likely true? location a will have poor air quality because plastic is biodegradable. location a will experience water scarcity because plastic absorbs moisture. the population of honeybees will increase in location b because production of crops will increase. the population of fish in location b will decrease because the water is contaminated.