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Question- How many milliliters of a 1.53 M NaOH must be added to 175 mL of 0.14 M NaH2PO4 to make a buffer solution with a pH of 7.20?
Explain the each step. Explain the process and each step.
What is the mass of NH3 in a 80.0 cm^3 sample that has a density of 0.92g/cm^3 and consists of 20%(by mass) of NH3
Explain the role of mass and dispersion forces versus the presence of hydrogen bonding? Which seems to play a more significant role
Carboxylic acids have higher than expected boiling points due to dimeric associations involving hydrogen bonding. The structure of 3-methylbutyric acid is shown below. Draw a second molecule of 3-methylbutyric acid
The vapor pressure of pure propyl chloride is 347 torr at 25°C and that of pure propyl bromide is 133 torr at 25°C. Assume that the solution is an ideal solution.
Calculate the mass of Li formed by electrolysis of molten LiCl by a current of 6.9×104 A flowing for a period of 23h . Assume the electrolytic cell is 80% efficient.
If the hydroxyl group has been inverted during the conversion of (1S)-borneol to the product why do we get (1S)-isoborneol in its place of (1R)-isoborneol. Explain how many asymmetric C-atoms are present and which one is 1S
silver has two stable isotopes with masses of 106.90509 amu and 108.9047 amu. the average molar mass of silver is
a student was asked to determine the percentage of the components of a mixture of potassium bromide kbr magnesium
At constant volume, the heat of combustion of a particular compound is -3698.0 KJ/mol. When 1.895 g of this compound (molar mass=181.06 g/mol) was burned in a bomb calorimeter
Question- You needs to produce a buffer solution that has a pH of 5.26. You already have a solution that contains 10. mmol (millimoles) of acetic acid. How many millimoles of acetate (the conjugate base of acetic acid) will you need to add to this..
The reaction between iron (III) oxide and aluminum, to produce aluminum oxide and iron, has a heat of reaction (ΔH) equal to -851.5 kJ/mole. How much energy is released if 0.56 moles of aluminum are consumed
Determine at what temperature should the reaction be run to get a seventy five conversion of carbon monoxide?
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