In two moles of acetaldehyde(CH3CHO) calculate the following (A) number of moles of carbon (B) number of moles of hydrogen (C) number of moles of oxygen (D) number of molecules of acetaldehyde Share with your friends Share 0 Rekha Devi answered this 5 View Full Answer Akshat Sood answered this A) 4 B) 8 C) 2 D) 2 -2 Akanksha Prasad answered this How did you calculate it? 2 Akshat Sood answered this In one mole of acetaldehyde there are two moles of carbon hence likewise in two moles of compound there are 4 moles of carbon 1