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An empty beaker weighs 36.03 g. a) When completely filled with water, the beaker and its contents have a total mass of 282.45 g. What volume does the beaker hold? Use d =1.00 g/mL as the density of water answer in mL B)How much would the beaker and its contents weigh if it was completely filled with mercury? The density of mercury is d =13.5 g/mL.
calculate the molality of each of the following solutions: a)14.3g of sucrose in 676g ofwater b)7.20 moles of ethylene glycol in 3546g of water.
A gaseous mixture of O2 and Kr has a density of 1.192 g/L at 305 torr and 300. K. What is the mole percent O2 in the mixture
what is the theoretical yield of aluminum oxide if 2.40 mol of aluminum metal is exposed to 2.10 mol of oxygen
How many grams of chromium would be electroplated by passing a constant current of 5.2 amperes through a solution containing chromium(III) sulfate for 45.0 minutes.
What is the role of sodium sulfite? How does it work? Please use an equation to explain this. Why was the work-up step so important in this experiment? What can be found in the top layer, and the bottom layer in the extraction step?
What volume of 0.200M Hydrochloric acid must combined to 250mL of 0.300M C8H7NaO3 to produce a buffer of solution with a pH of 3.37?
A sample of 0.0020 mole of HCl is dissolved in water to make a 1500. mL solution. Calculate the molarity of the HCl solution, the [H3O+], and the pH. For a strong acid such as HCI,.
Calculate the force of attraction between a cation with a valence of +2 and an anion with a valence of -2, the centers
The size of a diamond is measured in carats. (1 carat=.200 g) The density is 3.51 g/cm3. How many carats is a diamond that measures .
How much heat (in ) is required to warm 10.0g of ice, initially at -11.0(degrees C), to steam at 113.0(degrees C)? The heat capacity of ice is 2.09(J/g* degrees C) and that of steam is 2.01(J/g*degrees C) .
What are two primary advantages of using nuclear power? Uranium reserves on our planet are 5 million metric tons.
caclculate the number of grams of Fe formed when 0.300kg of Fe2O3 reacts.
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