Explain, in terms of electrons, what a positive ion indicates (gaining or losing electrons)

the answer to your question is c.

if you read the house of usher you should know that the house was haunted

the ratio of the conjugate base to the acid required to attain the desired ph.

yes the answer is total mass in unchanged   : )

it was spontaneous.

"ain't i a woman? " is the name given to a speech, delivered extemporaneously, by sojourner truth, (1797–1883), born into slavery in new york state.sojourner truth' delivered her famous speech "ain't i a woman? " (which did not have a title at that moment) was given without any previous preparation. her dissertation took place at the women's convention in akron, ohio, in 1851.