Astudent prepares a aqueous solution of crotonic acid . calculate the fraction of crotonic acid that is in the dissociated form in his solution. express your answer as a percentage. you will probably find some useful data in the aleks data resource.

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explanation:

the answer is b. dilution

so here we go

atomic mass

239 + 1 = y + 134 + 3 combine like terms

240 = y + 137             subtract 137 from both terms

240 - 137 = y

103 = y

atomic number

94 = z +54 + 0

94 = z + 54               subtract 54 from both sides.

40 = z

answer