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The solubility iof sodium chloride in water is 35.9 g NaCl/100 g of water at 25 degrees celsius. Calculate the mass percent and molality of NaCl in a saturated solution.
What volume of each of the following acids will react completely with 50.31 mL of 0.146 M NaOH?
A buffer solution is made that is .412 M in CH3COOH and .412 M in CH3COOK. Write the net ionic equation for the reaction that occurs when .088 mol HI is added to 1.00L of the buffer solution. What is the pH of the buffer solution
A 500 ml volume of helium gas is at a pressure of 750 mm Hg and has a temperature of 30 degrees celcius. What is the volume of the same gas at STP?
Explain how you would elute any diacteyl ferrocene formed during the synthesis of acetyl ferrocene, and if it would elute before ferrocene, with ferrocene, between ferrocene and acetyl ferrocene, with acetyl ferrocene, and/or after acetyl ferrocen..
a gas sample occupies 4.20 l under a pressure of 800 torr at 350K.At what temperature will it occupy 3.60 L at the same pressure?
Rank the following elements by electron affinity, from most positive to most negative EA value. Tellurium, Bromine, Arsenic, Sodium and Neon
please discuss all six questions listed below as they relate to the financial statements of any u.s. public company of
A mixture consists of lithium carbonate (Li2CO3) and potassium carbonate (K2CO3). These react with hydrochloric acid as follows.
Moles of carbonate in limestone? 2. % CaCo3 in limestone (Equation 2)?
A titration was performed between 25 mL of 0.100 M NH3 and 0.100 M HCl. Calculate the pH of NH3 solution at the following points during the titration.
If 1 gallon of paint can cover a square room and ceiling with walls that are 9.36 feet high and 9.36 long, what is the thickness of the paint (in micrometers)?
Choose the correct answer of the following, explain why it is true, and explain why the other choices are untrue: (A) high pE is associated with species such as CH4, NH4+, and Fe2+
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