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An osmotic pressure of 7.84 atm is produced by An isotonic solution measured against pure water at human body temperature (37.0 degree celsius). determine how many grams of NaCl should be dissolved in a liter of H2O to produce an isotonic solution?
Given the following substitution reaction, what would the effect be of changing the solvent from CH3OH to (CH3)2S=O? CH3(CH2)5Br + NaOH as it goes to CH3(CH2)5OH + Br-
Show that Ka Kb = Kw for a weak acid and its conjugate base OR a weak base and its conjugate acid, using the equilibrium expression for each.
what is the amount of hydrogen in g in the sample? Vapor pressure of water at 20 degrees celsius is 17.5 torr.
Citronellol or dihydrogeraniol is a naturally occurring oil. The IUPAC name for citronellol is 3,7-dimethyl-6-octen-1-ol. (+)-Citronellol, which is found in citronella oils, is the more common isomer.
iron(111)oxcide is formed when iron cobines with oxygen in the air. how many grams if Fe2O3 are formed when 16.7 Fe reacts completly with oxygen?
Use balanced equations to determine whether either CuBr or Ca3(PO4)2 has a different solubility with a change in pH:
Cabernet Sauvignon with a pH of 3.64. How many times more acidic is the Sauvignon Blanc? Please show work thoroughly and answer both questions.
How many moles of each of the following were in the original sample? What is the molecular formula?
Calculate the number of moles of solute present in each of the following solutions: a)245 mL of 1.50 M HNO3 b) 50.0 mg of an aqueous solution tha tis 1.25 m NaCl c) 75.0 g of an aqueous solution that is 1.50% sucrose by mass
acetic acid is placed in a flask and is titrated with 25.00 mL 0.100 M sodium hydroxide
What is the SUM of all of the coefficients in the reaction. 2 C8H18 + 25 O2= 16 CO2 + 18 H2O
Calculate the weight of potassium chlorate required to prepare 380 mL of wet oxygen collected over water at 20 Celcius and 750 mm of Hg.
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