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1) Suppose if Mass Na2C2O4 used = 0.0106 g
Volume of KMnO4 used (ml) = 1.6 ml
Find out the molarity of KMno4 solution using balanced chemical reaction and stoichiolmetry?
2) Suppose If the volume of Fe (II) solution used = 1.2 ml and the volume KMnO4 solution used = 1.1 ml
Define what is the concentration of KmnO4 solution?
Define what is the concentration of Fe (II) solution?
an aqueous cacl2 solution has a vapor pressure of 82 mm hg at 50c. the vapor pressure of pure water at this temperature
Initially 5 mol of an ideal gas with Cv,m=12.5 J K^-1 mol^-1 are at a volume of 5 dm^3 and a temperature of 300K. If the gas is heated to 373 K and the volume changed to 10 dm^3, what is the entropy change
What is the pH of a buffer solution that is 0.255 M in lactic acid and 0.333 M in sodium lactate? The Ka of lactic acid is 1.4 × 10-4.
Another method to gain insight into the primary amino acid sequence is analyzing C-terminus amino acids in the polypeptide chain. Enzymes called carboxypeptidases can aid in this process
Find the solution of the system of equations and . Give the x value followed by the y value, separated by a comma. Express your answer in the form x,y
A 125 lb patient is to receive a drug at a rate of 0.300 mg per 1.00 kg of body weight. If the drug is supplied as a solution containing 5.00 mg/mL, how many milliliters of drug solution should the patient receive
Amyl alcohol can burn in oxygen to produce carbon dioxide and water. If amyl alcohol is C5H11OH and oxygen a diatomic gas O2, write and balance the combustion equation and answer the following
SO2Cl2, decomposes when heated. The initial concentration of SO2Cl2 was 0.0248 mol/l if the rate constant is 2.2x10^(-2)/s, what is the concentration of SO2Cl2 after 2.0 hours? the reaction is first order. SO2Cl2(g)->SO2(g)+Cl2(g)
The heat capacity for liquid water is 4.18 j/g . C, and the heat of vaporization is 40.7 kJ/mol. How many joules of heat must be provided to convert on gram of liquid water at 67 degrees C into one gram of steam at 100 degrees C?
Rewrite the following unbalanced equations, changing them into balanced net ionic equations (assume that all reactions are in water solutions)
A dry-cleaning solvent (molecular weight = 146.99 g/mol) that contains C, H, and Cl is suspected to be a cancer-causing agent. When a 0.112 g sample was studied by combustion analysis, 0.201 g of CO2 and 0.0272 g of H2O formed.
The molar heat of solution of a substance is found to be +35.34 kJ/mol. The addition of 0.20 moles of this substance to 1.5 L water initially at 55 degrees Celsius results in a temperature DECREASE
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