17.
Which will dissolve faster, 10 g of sugar cubes or 10 g of
powered sugar?
a) 10 g of powered sugar
c) They will dissolve at the same rate
b) 10 g of sugar cubes
d) It is impossible to determine

Scientists are often interested in knowing the molar heat of combustion – the heat released during the combustion of one mole of a substance. use the periodic table to find molar masses. how many moles of ethanol are present in the sample?