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The normal freezing point of a certain liquid Xis -2.50 °C, but when 61. g of iron(III) chloride (FeC13) are dissolved in 900. g othhe solution freezes at -5.8 °C instead. Use this information to calculate the molal freezing point depression constant Kf ofX. Round your answer to 2 significant digits.
what is the formula for calcium oxalate dihydrate when 100 degree Celsius heat is added?
A sample of gas has an initial volume of 2.8 L at a pressure of 755 mmHg. If the volume of the gas is increased to 3.7L, what will the pressure be
How many grams of dipotassium phthalate must be added to 750 ml of 0.5 M phthalic acid to give a buffer of pH 5.75
How many mL of 0.25 m NaOH solution are required and What is a standard soluyion in an acid-base titration
How many unpaired electrons in the F22+ ion are based on molecular orbital theory? The order of the molecular orbitals are (σ2s)(σ*2s)(σ2p)(π2p)(π*2p)(σ*2p).
A student went out of the lab to talk on the phone and returned to find that their partner had neglected to monitor the ice bath used to chill their diazonium ion solution
Problem- If given 5.890 L of oxygen gas at STP, calculate the following: The number of moles of oxygen The number of grams of oxygen
Define molecules as having an ionic bond, a covalent bond and a polar bond. Describe how that makes each of your 3 choices different
Glycolysis and gluconeogenesis are reciprocally regulated at the steps that interconvert fructose-6-phosphate and fructose-1,6-bisphosphate.
calculate acidic and basic buffer capacity. How much of strong acid should be added to shift buffer pH one unit down, and how much of the strong base is needed to bring buffer pH one unit up?
The pH of a saturated solution of nickel hydroxide, Ni(OH)2, is 8.83. Calculate the Ksp for nickel hydroxide.
The lighter isotope has an abundance of 67.7%. Calculate the atomic mass of the element X.
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