What is the molar mass
A solution is made by dissolving 26.44 g of (NH4)2SO4 in enough H2O to make 50.75 mL of solution.
a) What is the molar mass of (NH4)2SO4?
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Calculate the mass of silver chloride required to plate 225 of pure silver.
A solution is made by dissolving 26.44 g of (NH4)2SO4 in enough H2O to make 50.75 mL of solution. What is the molar mass of (NH4)2SO4?
Based on the data, what is the order of the reaction? (Use a number like 0, 1, 2, 3, ... rather than a word.)___? Determine the specific rate constant for the reaction at the temperature of the experiment.
You have a 120 Ω quarter bridge 2 wire set up with Sg=2.10 and an unknown lead wire resistance. A 59880Ω calibration resistor is switched in parallel to the gage only and a recording instrument is set to give a -100 mm deflection for this
Calculate the pressure of dry oxygen. If the total pressure of oxygen generated over water is measured to be 638 torr and the temperature is 22 degress celcius?
A solution consisting of four parts 70% HNO3 , four parts 49% HF, and two parts CH3COOH is used to etch silicon. If the solution is held at room temperature, what etch rate would you expect? If the compound is to remain at two parts CH3COOH, what
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