How many chloride ions are in the sample
If 12mL of a 0.100M calcium chloride solution is diluted to2.00L by the addition of water, and if 2 drops( 0.100mL) of the final solution is used , how many chloride ions are in the sample?
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A student determined that the urine sample they were analyzing hada chloride concentration of 0.083 g/L (in a 10mL solution ofAgCl). What is the concentration in parts per million(PPM)?
Two 10.0 mL samples of a Patient's Urine were taken. After adding a few drops of HNO3 and adding 5.0 mL ofAgNO3(excess silver) and filtering out the precipitateof AgCl. They obtained weights of 0.6500g and 0.6632gof AgCL.
If the box is a distance 1.83 m from the rear of the truck when the truck starts, how much time elapses before the box falls off the truck?
All other aspects of the operation follow the ideal cycle. You must draw a schematic for this problem. Determine the net work developed per unit mass of steam flow, in Btu/lbm.
The compression process is adiabatic, and temperature at the compressor exit is 140F. Determine the mass flow rate of refrigerant, in lbm/min.
Why is it necessary to weigh to constant mass? Nettie's answer: because each element has its own mass and weight so you need to make sure that the solid is completely dry?
A student tries to raise a chain consisting of three identical links. Each link has a mass of 210 g. The three-piece chain is connected to a string and then suspended vertically, with the student holding the upper end of the string and pulling upw
The initial guesses for the root are assumed to be x0=3 and x1=2 . Given f (3) =28 and f (2)= 4 , what is the angle the secant line makes with the x -axis?
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