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1. From a titration of 33 ml of sulfuric acid solution, H2SO4 (aq) , with sodium hydroxide solution [NaOH] = 0.301 M, a titre volume of 33.55ml was obtained. Calculate the concentration of the acid solution.
2. Calculate the relative error for a value of 0.4 and an absolute error of 0.0006. Remember absolute error = value x relative error.
If your absolute error looks like x.0E-3 this is the same as x.0 x 10-3 or 0.00x0
Write the number in the same format as this number (eg 0.xxxxx) and give the answer to 2 significant figures.
C3H8 + O2 -> CO2 + H2O Calculate how many grams of carbon dioxide formed and the percent yield, if 35.2 grams of carbon dioxide.
Predict the freezing point of a solution prepared by dissolving 8.9 g MgCl2 in 98 g H2O. Kf for water is 1.86 °C m-1. A) 3.5 °C B) -3.5 °C C) 5.3 °C D) -5.3 °C E) -0.51 °C
What is the high-T approximation for rotations and vibrations? For which of these two degrees of freedom do you expect this approximation to be genrally valid at room temperature?
How many grams of CO2(g) would occupy a volume of 326 mL at 20.6°C and 703 torr?
Until the early 1960s the group 8A elements were called the inert gases; before that they were called the rare gases. The term rare gases was dropped after it was discovered that argon accounts for roughly 1% of Earth's atmosphere. Why was the ter..
A sample of N2O3 contains 1.26 moles of nitrogen. Use the following atomic masses: N =14, O=16.
Name the two types of nucleic acids and where each is found in the cell. Also include the four bases particular to each nucleic acid.
What is the purpose of Sodium phosphate dibasic when used to make ethanol via fermentation?
What mass of HCl gas must be added to 1.00L of a buffer solution that contains [acetic acid]= 2.0M and [acetate]= 1.0M
A compound with a molecular formula of C8H16 demonstrates the subsequent spectroscopic data. Identify this compound.
A 24.9 mL volume of HCl reacts completely with 55.0 mL of aqueous Na2CO3. The reaction is as follows:2HCl (aq)+ Na2CO3(aq)-> CO2(g)+H2O(l)+2NaCl(aq)
How many grams of each reactant remains after the reaction is complete and how many grams of each product is produced
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