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2.What mass of SrF 2 can be prepared from the reaction of 10.0 g Sr(OH) 2 with
excess HF?
Sr(OH) 2 + 2HF → SrF 2 + 2H 2 O

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answers: to make sure that all of the broken pieces of tablet were added to the water, to allow for fair comparison of all three trials, with different particle sizes to avoid experimental error

answer: cellular respiration takes in food and uses it to create atp, a chemical which the cell uses for energy. usually, this process uses oxygen, and is called aerobic respiration. it has four stages known as glycolysis, link reaction, the krebs cycle, and the electron transport chain.