hq+b yields h+bq. what type of reaction is this? hq+b yields h+bq. what type of

Question

hq+b yields h+bq. what type of reaction is this? hq+b yields h+bq. what type of reaction is this? hq+b yields h+bq. what type of reaction is this? Exam 3: Chapter 7.4-7.5-Qui Question 11 (4 points) uring heavy exercise and workouts, lactic acid (C,HO) acumulates in the muscles, where it can cause pain and soreness How many moles of lactic acid contain 45-10atoms of oxygen (0)? 1 mole C HeO 3 25 mole CH,O 2 35 mole C HO 2 5 mole CiH O Question 12 (4 points se Avogadro's number to determine the mumber of molecules in 2.5 moles of water 20 21 O 15 x 10M molecules 0 15010s molecules O 18 10M molecules O 1.8 10s molecules

Explanation / Answer

11)

number of mol of O = number of atom of O / Avogadro’s number

= (4.5*10^24)/(6.022*10^23)

= 7.473

one mole of C3H6O3 contains 3 mole of O

we have below equation to be used:

number of moles of C3H6O3 = number of moles of C3H6O3 / 3

= 7.473 / 3

= 2.5

Answer: 2.5 mole

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