Astudent calculated that the amount of nacl that should form in the lab (theoretical yield) is 2.50 grams. the actual amount formed was only 2.30 grams. how would you calculate the student’s percent yield? a) 92% b) 0.92% c)108% d) 1.08 %

i do not get it   at all

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the atomic number of carbon is six, which means that a carbon atom has six protons. carbon has three naturally occurring isotopes: carbon-12, carbon-13, and carbon-14. which of these statements are true about carbon and its isotopes? select all that appl