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If 5.20mL of 0.1000 M NaOH solution is needed to just neutralize excess acid after 20.00 mL of 0.1000 M HCl was added to 1.00 g of an antacid, how many moles of acid can the antacid counteract per gram?
phosphenolpryuvate how many moles of ATP can be derived just from reduced electron carriers (not substrate-level phosporylation?
The BaSo4 was found to have a mass of 11.96 mg. The molecular weight of the compound was found to be 168 g/mol. Using this data, what is the molecular formula of the C, H, S compound?
Determine the mole fraction of each component to at least three significant figures.
A monoprotic acid donates a single proton. If you dissolve two aspirin tablets in a 300 m glass of water, what is the pH of the solution
What was the highest alcohol density reported and what was the lowest alcohol density reported by the two students?
Write an equation to show how the base NaOH(s) behaves in water. Include states of matter in your answer.
What is the PH after .15 mol of NaOH is added to .050 mol of propanic acid and ,080 M of sodium propanoate with a ka of 1.3x10^.5
a gas sample containing 1.50 mol at 25 exerts a pressure of 400 torr. some gas is added to the same container and the temperature increased to 50 C. If the pressure increases to 800. torr, how man moles of gas were added to the container? assume a..
prepare 250.00 mL of 0.150 M ammonium ion solution beginning with solid ammonium phosphate, (NH4)3 PO4.
solution made from 6.50g of an unknown compound in 27.8g of diphenyl has a molality of .195m. Calculate the molar mass of the unknown.
A 28.0-g sample of water at 260. K is mixed with 51.0 g water at 310. K. Calculate the final temperature of the mixture assuming no heat loss to the surroundings
a first order reaction has a rate constant 0.00510.if we begin with 0.10 M concentration of the reactant , how much of the reactant will remain after 3 hrs?
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