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What is the boiling point of a mixture composed of 95.0 g HOCH2CH2OH (ethylene glycol) and 205 g H2O? The boiling point elevation constant for H2O is 0.512 °C/m.
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Question - The solubility of O 2 (g) in water is 4.43 mg of O 2 /100g H 2 O at 20 o C and 1 atm pressure. What pressure of O 2 (g) would be required to produce a saturated solution that is 0.010 M O 2 ?
What is the ph in a solution made by mixing 60.0ml of 0.0120 Ba(OH)2 with 20.0 mL of 0.0500M acetic acid?
How many moles of magnesium ion are present in 5.25g Mg 3 (PO 4 ) 2 ?
How many grams of nitrogen are found in 50.0 grams of potassium nitrate?
An aqueous solution has a normal boiling point of 102.0°C. What is the freezing point of this solution? For water K b is 0.51°C/ m and K f = 1.86°C/ m.
What is the chemical formula for the compound containing one nitrogen atom for every three iodine atoms.
Asolution is prepared by dissolving 22.44 grams of acetic acid inenough water to make250.0 mL of solution. A 25.00-mL aliquot of NaOH solution is thentitrated with the acetic acid solution. 37.28 mL of the acetic acid so ...
Vinegar is an aqueous solution of acetic acid CH3OOH. A10 mL sample of a particular vinegar requires 31.45 mL of 0.2560 Mof KOH for its titration. What is the molarity of acetic acid in vinegar?
Explain why the faster red particles in the video slow down and the slower blue particles speed up when they come into contact with each other.
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