When dissolved in aqueous solution, which pair would behave as a buffer?

a) hcl and nacl
b) koh and kcl
c) hno2 and nano2
d) hno3 and nh4no3
e) ca(oh)2 and caso4

the correct option is c.

isotopes refers to different forms of the same element with the same atomic number but different mass number as a result of difference in their neutron numbers. isotopes have different relative atomic mass but share the same chemical properties.

shield volcanos are angry and get mad over the smallest things so much that there heads erupt   pahoehoe and a'a lava. a composite volcano is the poller opposite of a shield volcano. its   peaceful thing and knows how to control its emotions.