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Problem- What is the concentration of solution when 6.190 g of NiSO4 is dissolved to make a total volume of 250mL in a volumetric flask?
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Presuming that all of the heat evolved in burning 11.88 grams of pentane is transferred to 7.91 kilograms of water specific heat = 4.184 J g-1 degC-1 primarily at 23.4 degrees Celsius compute the increase in temperature of the water.
The end point is reached when 31.52 ml of the thosulfate solution is added. What is the molar concentration of the bleach solution. What is its mass percent
Determine K for the reaction, H2C6H7O6(aq) + 2OH-(aq) = C6H7O6 2-(aq)+ 2H2O(l) given that H2C6H7O6 ka1=8E-5 and Ka2=1.2E-12
Give the complete ionic equation for the reaction (if any) that occurs when aqueous solutions of lithium sulfide and copper (II) nitrate are mixed.
filtrate be used to transfer the residue when the desired product is solid
A solution containing toluene had a gas chromatographic peak area of 412420. While 0.7130g of this solution was spiked with 0.0178g of pure toluene, the signal was 731508. Explain what is the concentration of toluene in the original solution. Mass..
The linear molecule FeH2 has been observed in the gas phase. Assume that the iron atom can potentially use s, p, and d orbitals to interact with the hydrogens. If the z axis is collinear with the molecular axis
Cyclopropane, C3H6, is an anesthetic given by inhalation. How many grams are in 0.30 mole of cyclopropane? The sedative Demerol hydrochloride has the formula C15H22ClNO2. How many grams are in 2.2x10^-2 mole of Demerol hydrochlorde?
how many grams of potassium permanagate are needed to discolor 1 gram of 2-pentene in basic solution.
if 162 of wet is collected over water at 24 and a barometric pressure of 736 how many grams of have been consumed? the
find ratio of the atomic mass of silicon to hydrogen if every 100g of sih4 contains 87.45g of si and 12.55g of h.some
Explain the molar solubility of an insoluble solid is 4.2 x10^-6M. Define the solid has the formula MX3 and dissociates according to the reaction below. Compute the Ksp for the substance.
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