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Question: An aqueous solution of sodium hydroxide is labeled .010 M NaOH. What are the molar concentrations of NaOH, Na+ and OH- in the aqueous solution?
Explain how and why the aqueous solubility(Cw,sat) and vapor pressure (Pv) for phenol differs when its pure natural state only ( non aqueous phase liquid [NAPL] vs. a mixed NAPL solution that contains 20% naphthalene and 80% phenol?
What is the molar mass of the unknown gas. Elemental analysis of the unknown gas from Part A revealed that it is 30.45% N and 69.55% O. What is the molecular formula for this gas.
phenol (respectively pKa 4.75 and 9.95), What is the principle species present at pH values 3, 5, 7, and 11?
an unknown cu2 sample gave an absorbance of 0.262 in an atomic absorption analysis. then 1.00 ml of solution containing
a 365.0g sample of water,contains 23mg Au. How much gold is present in the sample in parts per million?
The degree of unsaturation, or index of hydrogen deficiency, is the number of pi bonds plus rings in a molecule. Specify the degree of unsaturation (index of hydrogen deficiency) of the following formulas
In analysis of interhalogen activity, 0.110 mol of ICl was placed into a 1.00 L flask and allowed to decompose at a high temperature: 2 ICl(g) I2(g) + Cl2(g) Given that Kc = 0.361, calculate the equilibium concentration of I2
Draw a Lewis structure for acyl chloride R-C(=O)-Cl and state its 3D-structure around the central atom (C). R is an acyl substituent.
"A mixture of CH4 and H2O is passed over a nickel catalyst at 100 degrees K. The emerging gas is collected in a 5.00-L flask is found to contain 8.62g of CO, 2.60 g of h2, 43.0 g of CH4, and 48.4 g of H2O.
consider the following reaction n2 3 h2 lt - gt 2 nh3. initially 4.25 moles of nitrogen gas and 6.33 moles of hydrogen
Given a four-carbon chain with two methyl groups and an NH2 group on the fourth carbon and a C=O double bond and an H on the first carbon. It asks me to draw the product of the reaction of this molecule with H3O+ (cat.) and Delta toluene.
Explain PH and Biochemistry, Determine the weight in grams of sodium dihydrogen phosphate (M.W.138.01) and disodium hydrogen phosphate (M.W 141.98) needed to prepare 1L of a standard buffer at pH 7.00, with a total phosphate concentration of 0.100..
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