What is the equivalent weight of this metal
117 gram sample of a metal reacts with hyrdochloric acid to produce 36.3 ml of dry hydrogen gas, measured at stp. what is the equivalent weight of this metal?
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Consider 54.5 mL of a solution of weak acid HA (Ka = 1.00 10-6), which has a pH of 3.700. What volume of water must be added to make the pH = 6.000?
A solution is prepared by dissolving 246 g of sucrose (C12H22O11) in 624 g of water. What is the vapor pressure of this solution at 30°C? (The vapor pressure of water is 31.8 mmHg at 30°C.)
Draw A flow net. Show flow lines, flow Channels, and Equipotential lines. Using flow nets, please provide an estimate of seepage rate below the dam.
Starting with only the solid, it is found that 40 degrees Celsius the total gas pressure (NH3 and CO2) is 0.363 atm. Calculate the partial pressure of NH3 and CO2.
A CM reactor receives influent containing 10.0 mg/L of tracer for 2 h. Then tracer addition is terminated but the flow remains steady. The volume of the reactor is 10 L and the flow rate is 2 L / h.
How many grams of Na3PO4 will be needed to produce 400 mL of a solution that has a concentration of Na+ ions of 0.800 M.
Assuming the entire system has reached equilibrium : What is the distance that must be used between the inputs shown and the water withdrawal such that the concentration withdrawn is 1 mg/l?
If 4.00 grams of water at an initial temperature of 1.00 degrees C absorbs 33.00 joules of heat, by how many degrees C does the water temperature change?
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