Problem related to determining quantity of softened water
How many liters of softened water, containing a sodium concentration of 5.8×10^-2% sodium by mass, have to be consumed to exceed the FDA recommendation (less than 2.4 g sodium per day)? (Assume a water density of 1.0 g/mL.)
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What is the pH of a solution prepared by mixing 50.00 mL of 0.10 M methylamine, CH3NH2, with 20.00 mL of 0.10 M methylammonium chloride, CH3NH3Cl?
Consider two identical rooms: one room has a refrigerator in it, the other does not. All the doors and windows in each room are closed and both rooms are well insulated.
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Determine the cell potential for the galvanic cell described below. Pt(s) | BrO4- (10.6 mM), BrO4- (4.9 mM), pH 6.17 ¦ NO3- (12.6 mM), pH 3.2 | NO3(g) (102 mbar) | Pt(s)
What kind of metals are often recommended for use at low temperatures, particularly when any sudden loading of the part is expected?
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when 92.0 grams of nonionic compound were dissolved in 985 grams of water, the freezing point of the solution was found to be -4.05 degrees celsius. what is the molar mass of this nonionic compound?
A melting point determination of Vanillin, melting point 80 C, was made with a heating apparatus setting at the maximum heating output. What is wrong with this setting and what will be the effect on the melting point?
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