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20 millilitres of H2SO4 solution was titrated against 0.2M NaOH and required 12.4 millilitres to reach the end point. calculate the concentration of the H2SO4 solution in (a)Molarity (b) g/l.
SrCO3 is a sparingly soluble salt. Using the Ksp from the appendix, a) Determine the concentrations Sr2+ and CO32- when SrCO3 is dissolved in pure water ignoring secondary reactions of Sr2+ and CO32-
What is ozone and how it works as a protective molecule for our environment? What are the effects of CFCs on the ozone layer.
Determine the heat of combustion per gram of octane and the heat of combustion per mole of octane?
How much heat is needed to warm 45.6 grams water from 23.0° C to 40.0 °C?
Silicon Carbide is a hard substance used as an abrasive. it is prepared by heating SiO2 and carbon at high temperatures SiO2 + 3C = SiC + 2 CO determine the limiting and excess reactant.
indicate whether each are activating or deactivating, and whether each are ortho para or meta directing substituents.
Structures of Acids, The chiral carboxylic acid A (C5H6O2) reacts with 1 mol of hydrogen gas on catalytic hydrogenation.
what is the molar mass of the acid? If the standardization of the NaOH solution, why is it important to rinse the wet pipet with small portions of the standard oxalic acid solution
At an altitude of 45.00 km, the average atmospheric temperature is essentially 0 degrees C. What is the average number of air molecules per cubic centimeter of air at this altitude?
When 2-methylpropene is treated with sulfuric acid the resulting mixture can be used to convert benzene to tert-butylbenzene
The density of a sodium sulfate solution is 1.07 g/cm3. The solution is 8.00% sodium sulfate by mass. How many cm3 of the solution are needed to supply 4.28 g of sodium sulfate?
if you have 370 ml of water at 25 degrees Celcius and 130mL of water at 95 degrees C. what is the final temperatue of the mixture?
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