Concentrations of the potassium and sulfate ions
If 348 grams of K2SO4 (molar mass 174 grams) is dissolved in enough water to make 500 milliliters of solution, what are the concentrations of the potassium and sulfate ions?
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A piece of metal of mass 27 g at 99?C is placed in a calorimeter containing 45.1 g of water at 21?C. The final temperature of the mixture is 38.7?C. What is the specific heat capacity of the metal? Assume that there is no energy lost to the surrou
A 4.000-g sample of the metal nitrate M(NO3)2 was dissolved in water and treated with excess aqueous sodium sulfate. The sulfate salt that formed weighed 3.318 g. Determine the identity of the metal
The tabulated mass of Cl is 35.45 amu. The two dominant isotopes of naturally occurring Cl are 35Cl (34.97 amu) and 37Cl (36.97 amu). What are the relative abundances of 35Cl and 37Cl?
Identify a specific educational issue that you think is affecting work environments the most. Can this problem be avoided or resolved in the workplace? If you were an employer, how would you overcome this issue?
66 kg diver steps off a 13 m tower and drops from rest straight down into the water. If he comes to rest 4.8 m beneath the surface, determine the average resistance force exerted on him by the water?
Analysis of the products revealed that 0.1356 g of water were produced. How many moles of H are present in the sample?
What is the boiling point of water at an elevation of 1.15×104 ? Express your answer with the appropriate units.
How do you think people like Rommel, Burgin, and Neelman factor ethics into their decisions? do you think the welfare of policy owners and passengers enter into their decisions?
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