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A compound is known to contain 52.17% carbon and 27.78% oxygen by mass. Each molecule contains two atoms of oxygen. What is the molar mass of this substance? How many carbon atoms are there in the molecular formula for this compound? (It should be a whole number, no units)
What is the molality of a solution formed by dissolving 1.70 mol of KCl in 15.0 mol of water (MM of water = 18.02 g/mol),
the hybridization of Carbon in this molecule? b) What would be its molecular shape? and c) What is the bond angle around the C atom?
what is the net ionic equation potassium hydroxide and iron(III) nitrate.
if 11.2 L of N2 are reacted to form NH3 at STP, how many liters of hydrogen will be required to consume all of the nitrogen
A 195mg sample of a non-electrolyte isolated from throat lozenges was dissolved in enough water to make 10.0mL of solution at 25 degrees Celsius. The osmotic pressure of the resulting solution was 4.83atm. Calculate the molar mass of the compound.
What is the strongest base that may exist in water. What happens to stronger bases
What magnitude of current is required to produce 1.0 kg of sodium metal in one hour by electrolysis?
How do you find the maximum critical heat flux of water at 1.25 bar? It has to do with nucleate pool boiling.
Calculate the pH of the solution resulting from the addition of 10.0 mL of 0.10 M NaOH to 50.0 mL of 0.10 M HCN (Ka = 4.9 × 10^-10) solution.
Calculate the equivalent number of moles of potassium permanganate? 3) calculate the clarity of the potassium permanganate solution?
Calculate the weight of benzene codistilled with each gram of water and the percentage composition of the vapor produced during steam distillation.
Consider the combustion reaction between 30.0mL of liquid methanol ( density = 0.850 g/mL) and 15.0L of oxygen gas measured at STP. The products of the reaction are CO2 and H2O
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