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Bronze is an alloy consisting of 88.0% copper and 12.0% tin. The density of copper is 9.28 g/mL and the density of tin is 7.48 g/mL. Calculate the approximate density of bronze.
400 ml of .50 M HNO3 is added to 200 ml of water. if 100% dissociation occurs, find the resulting pH.
Determine the numbers of moles of iron that would be formed from 6.2 moles of CO (carbon monoxide) combining with excess of iron (III) oxide (Fe2O 3 )?
Find molarity, molality, percentage composition, boiling and freezing point of a solution - What are the boiling and freezing points of the solution?
The density of mercury (Hg, a liquid metal) is 13.6 g/mL. What volume would 305.4 grams of mercury occupy
Determine how many atoms there are in 1 gallon using your knowledge of mole calculations and unit conversions. Assume that the molecular formula for gasoline = C6H14 ,the density of gasoline =0.85 grams/mL
2 g of a hydrocarbon fuel is burned in a colrimeter that contains 250 grams of water initially at 25 degrees celcius. After the combustion, the temperature is 26.55 degrees celcius.
What mass of HCl is contained in 30.0ml of a solution solution which is 37.2 mass% HCl has a density of 1.19g/ml.
Determine the value of pH of given solutions that are (a) a solution that is 0.40 M CH3CO2H, (b) a 0.40 M CH3CO2H solution, (c) 0.20 M NaCH3CO2. And explain your answer too?
Give explanation for arrangements how you decide the boiling points comparison - Arrange all these compounds in order of increasing boiling points
Write down the Empirical Formula if aA Compound Is 21.20% nitrogen, 6.06% Hydrogen, 24.30% sulfur , And 48.45% Oxygen?
C2H6+O2 ---> CO2+H2O Calculate the mass of H2O that should form if 1.5 g of C2H6 is combusted in the presence of 2.5 g of O2.
NiCl2(aq)+ 2NaOH(aq)---> Ni(OH)2(s)+ 2NaCl(aq) how many grams of Ni(OH)2 are produced from the reaction of 35.0 mL of a 1.75M NaOH solution and excess of NiCl2.
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