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Question- During a titration, it is found that 53.5 mL of a solution of NaOH is needed to neutralize a solution that contains 1.86 g of HCl.
What is the concentration in molarity of the NaOH solution?
Please explain why you chose your answer!
By how many volts will the potential of an ideal Mg+2 ion selective electrode change if the electrode is removed from a 1 x 10-4 M MgCl2 solution and replaced with a 1 x 10-2 M MgCl2 solution
Consider the ring structure of beta-D-glucose. It will give a positive test as a reducing sugar. How can that happen?
Question- Given a 100 mL solution that is 0.3M in nitrous acid and 0.3M in sodium nitrite. The Ka of HNO2 is 4.0 x 10^-4. What is the pH after 5 mL of 0.4 M NaOH is added to the solution
Mixtures of diastereomeric 1,3-dimethylcyclopentanes are formed on catalytic hydrogenation of all but one of the following. Which compound gives only a single stereoisomer of 1,3-methylcyclopentane
10.8 g of particular gas occupies a volume of 41.2 dm^3 at 350 K at 3 atm. What would the volume be at 400 K if we assume the gas behaves ideally. what is the molar weight of this gas if we assume it behaves ideally
The equation for the complete combustion of ethene (C2H4) is C2H4(g) + 3 O2(g) ==> 2CO2(g) + 2H2O(g) If 2.70 mol C2H4 is reacted with 6.30 mole O2,
A solution is made by combining 15.0mL of 16.5M acetic acid with 5.52g of sodium acetate and diluting to a volume of 1.50L
Describe a procedure that might be used to separate p-dichlorobenzene
a protein subunit from an enzyme is part of a research study and needs to be characterized. a total of 0.160 g of this
The complete combustion of methane, CH4, to form carbon dioxide gas and oxygen gas at constant pressure releases 890 kJ of heat per mole of methane consumed. (a) Write a balanced thermochemical equation for this reaction. (b) Draw an enthalpy diagram..
what is the energy of the alpha particle that decays to the first excited state? You may neglect both relativistic effects and the recoil of the daughter
250 ML of a saturated aqueous solution of CaF2 at 25 degrees celsius is found to contain 0.0040 g of dissolved CaF2. Find Ksp of CaF2 in water at 25 degrees celsius.
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