During the production of aspirin, 3.5 g of aspirin can be formed from 2.0 g of salicylic acid. What is the percent yield if only 1.9 g of aspirin is produced? a. 54% b. 64% c. 69% d. 73%

what are the two models

explanation:

geosphere and hydrosphere.

this is because the geosphere has to do with geological events, while the hydrosphere controls all water on earth.

answer; the numbers of valence electrons in the acetic acid molecule (ch3co2h) is 24;