Textbook Question
Classify each hydrocarbon as an alkane, alkene, or alkyne. a. HC≡CH
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Classify each hydrocarbon as an alkane, alkene, or alkyne. a. HC≡CH
How many molecules of ethanol (C2H5OH) (the alcohol in alcoholic beverages) are present in 145 mL of ethanol? The density of ethanol is 0.789 g/cm3.
A drop of water has a volume of approximately 0.05 mL. How many water molecules does it contain? The density of water is 1.0 g/cm3.
Determine the chemical formula of each compound and then use it to calculate the mass percent composition of each constituent element. a. potassium chromate b. lead(II) phosphate