Copper ore containing 80 wt.% inert solids, 12 wt.% CuSO4 and 8 wt.% water is to be extracted in a counter-current stage extractor to recover CuSO4 using pure water. After each stage, 1 ton of inert solids retain 2.5 tons of liquid (CuSO4 and water solution). Equilibrium is attained in each stage, and a basis of 100 tons/hr the copper ore can be used. If the strong solution produced is to consist of 0.12 mass fraction of CuSO4. The fractional recovery of CuSO4 from the ore is 0.95, what is the number of ideal stages required for the process? (round to one

How many neutrons does a atom of cobalt have?

At 450 mm hg a gas has a volume of 760 l, what is its volume at standard pressure

Since the gas in your graduated cylinder is a mixture of butane and water vapor, you must determine the partial pressure of the butane, pbutane, alone. to do this, consult a reference and record the partial pressure of the water vapor, pwater, at the temperature you recorded. use the following formula to compute the partial pressure of the butane. pbutane = atmosphere - pwater use the following combined gas law formula and compute the volume that the butane sample will occupy at stp. (hint: convert both temperatures to kelvin.) pbutane x voriginal = pstandard x vfinal troom tstandard use the following ratio and proportion formula to determine the mass of butane needed to occupy a volume of 22.4 l at stp. grams of butane you used “x” grams of butane ml of butane corrected to stp = 22,400 ml compute the theoretical molar mass of butane based on its formula and the atomic masses on the periodic table. compare your experimental results from #3 to the theoretical value of #4, computing a percent error of your findings using this formula: % error = measured value - accepted value x 100 accepted value use the following ratio and proportion formula to determine the mass of butane needed to occupy a volume of 22.4 l at stp. need asap