How many moles of C5H120 would it take to generate 4.2 moles of CO2 from combustion? 2 C5H120 + 15 O2 → 10 CO2 + 12 H20
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If 90.0 grams of ethane reacted with excess chlorine,how many grams of dicarbon hexachloride would form

What is the molar mass of potassium nitrate, kno3

Answer asap need by wednesday morning explain how a buffer works, using an ethanoic acid/sodium ethanoate system including how the system resists changes in ph upon addition of a small amount of base and upon addition of a small amount of acid respectively. include the following calculations in your i. calculate the ph of a solution made by mixing 25cm3 0.1m ch3cooh and 40cm3 0.1m ch3coo-na+. [ka = 1.74 x 10-5 m] ii. calculate the ph following the addition of a 10cm3 portion of 0.08 m naoh to 500cm3 of this buffer solution. iii. calculate the ph following the addition of a 10cm3 portion of 0.08 m hcl to 200cm3 of the original buffer solution.