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Question - Calculate the molarity (M) of H2SiF6 in a solution prepared by adding 750 mL of 0.7 M H2SiF6 and 250 mL of 0.8 M H2SiF6 .
Assume volumes are additive. Molar Mass (g/mol) H2SiF6 144.10
Rewrite your answer from the stating and prove each step carefully.
Determine what mass of hydrogen is required to form 624g of methanol by the reaction CO+2H2->CH3OH.
what is the energy of an X ray with a wavelength of 3.52×10-9m and a microwave with a wavelenght of 6.63×10-2m?
When you have two primary or two secondary alcohols on the same molecule, will both undergo oxidation or just one?
How do you state a balanced chemical equation for what happens when sodium hydroxide is treated with sulfuric acid
Provide a structure for the following compound: UV spectrum: ?max = 272 nm (? = 39,500); EI mass spectrum: m/z = 129 (molecular ion and base peak); IR: 2200, 970 cm-1; 1H NMR: ? 5.85 (1H, d, J = 17 Hz); ? 7.35 (1H, d, J = 17 Hz); ? 7.4 (5H, appare..
A 2.5-g sample of a small protein having a molecular weight of 52,000 g/mol is dissolved in 57.6 mL of water. Calculate the osmotic pressure of the solution in millimeters of mercury at a temperature of 24°C.
Glutamic acid (C5H9O4N) is used as one of the reagents for a standard to check the BOD test. Determine the ThOD of 150 mg/L of glutamic acid. Assume the following reaction
Assuming the following reaction proceeds in a forward direction Cu2+(aq)+Ca(s)----> Cu(s) + Ca2+(aq) Which one is oxidized and which one is reduced
Carborundun, SiC is usually used as an abrasive in grinding wheels. It is prepared by the reaction of sand, SiO2 with the carbon in coke- SiO2 + C -> SiC + CO Explain how many kilograms of carborundum can be prepared from 153 kg of coke that is 88..
A sample containing 4.80 g of gas has a volume of 15.0 L. Pressure and temperature remain constant. What is the new voume if 0.500 mole gas is added?
A 12.00 g sample of manganese is heated and allowed to react completely with the oxygen in the air to form an oxide having a mass of 18.99 g. What are the moles for each component? Also, what is the whole number ratio of manganese to oxygen.
calculate the equilibrium partial pressures of CO2 and CO.
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