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Problem- A solution of lead sulfate (PbSO4) contains 0.425 g of lead sulfate in 100.0 g of water. What is this concentration in ppm?
If possible just a brief explanation how you got the answer?
Show how you would synthesize the following compound. as starting materials youmay use any alcohols containing four or fewer carbon atoms, cyclohexanol and any solvents and inorganic reagents. the compound is bromobutylcyclopentane
Describe the type of bonding that your unknown has (covalent, polar covalent). Locate and show any dipoles in your compound
Hexane has a vapor pressure of 100 torr at 15.8 C and 400 torr at 49.6 C. What is its deltaHvap
When 338 g of Bi2O3 reacts with excess carbon, how many moles of Bi2O3 react?
Determine the pH of a solution of 10-3 M sodium formate. Formate is a byproduct of microbial metabolism, and can also serve as an energy source for anaerobic bacteria
If the flask has a volume of 0.150 L, what is the minimum mass of PH3BCl3(s) that must be added to the flask in order to achieve equilibrium?
Question- Determine the pH at 25 degrees celcius of a solution prepared by dissolving 0.31 mole of ammonium chloride in 1.00 L of 0.48 M aqueous ammonia.
Calculate the pH, [CH3CH2NH2], and [CH3CH2NH3+] at the following stages of the titration. i) before the addition of any HI solution. ii) after the addition of 20.0 mL of HI solution. iii) at the equivalence point. iv) after the addition of 60.0 mL..
For what signs of ?H and ?S will a process be spontaneous at high temperatures but not at low temperatures? not be spontaneous at any temperatures
What is the equilibrium vapor pressure of water for a solution containing 56.0 g H2O and 44.0 g of ethylene
What is the pH of a solution of a strong acide like tintric acid, HNO3, which is 5.6 x 10^-4 M? [HNO3 is a strong acide, so it is completly ionized in aqueous solution
An ionic compound contains only a metal, M, and bromine. If analysis indicates that a 3.61 g sample of the compound contains 2.44 g of M, what mass of Br in g is contained in 344 g of the mineral
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