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What mass of HCl is contained in 30.0ml of a solution which is 37.2 mass% HCl has a density of 1.19g/ml.
Determine What is the percent yield of carbon dioxide(CO2) if 50.0 grams of C2H2 ,acetylene is allowed to react with excess O2, 75.0 grams of carbon dioxide are formed.?
Find either the wood oak or pine if The given density of oak = 0.9 g/cm 3 , the density of pine = 0.4g/cm 3 .
By Solving this problem student understand about isotopic abundance and how to calculate atomic weight (average atomic mass) of an element -
process it is given that Rubidium has a heat of vaporization =69.0 kJ/mol at its boiling pt= (686°C). Compute ΔS for this process?
Find the amount of known substance present in the mixture and determine the mass of calcium carbonate present in original mixture.
A calorimeter temperature increased by 0.45 0C after adding 30 joule OF ENERGY TO IT BY ELECTRICAL HEATING and the temperature increased by 7.3 0C when 0.10 grams of HCl is neutralize in the same calorimeter now determine the specific heat of neut..
Design a qualitative analysis scheme
Hydronium ion concentration using Henderson-Hasselbalch equation - What is the hydronium ion concentration of a solution
Compute the quantity of work(W) that is associated with a 9.5 Litre expansion of a gas against the given pressure of 755mm Hg
Determine the pressure, in torr and atm, of 3.94 mol carbon monoxide gas in a 4.25 Litre tank at temperature 31 degrees Celsius.
Find the new volume of the gas sample - What is the new volume of the gas sample
Write balanced chemical equation and evaluate the molecular weight of the reactants and Calculate the molecular weights of the reactant.
Determine What is the percent by mass of sodium phosphate in a 0.142M Na 3 PO 4 (aq) solution? If it is given that it has a density =1.015g/mol.
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