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The vapor pressure of water at 25 is 23.76 .If 1.10 of water is enclosed in a 2.0 container,there will be liquid persent. what mass of liquid?
Determine the pH at the equivalence (stoichiometric) point in the titration of 52.8 mL of 0.537 M HNO2 by 0.350 M LiOH. The Ka of HNO2 is 4.3 x 10-4.
Why adding distioled water to the vinegar sample prior to beginning the titration does not affect the result of your determination of the molarity
why do we have to make sure we light the fire and remove the lighter quickly to burn the nuts
Give equations showing the structures of all the reactants, reagents and products for the reactions of salicylic acid with the following.
A 0.5118 g sample of CaCo3 is dissolved in 6 M HCl, and the resulting solution is diluted to 250 ml in a volumetric flask. How many moles of CaCo3 are in the sample
If the excess of Cr3+ is discharged into a waste stream that is saturated with atmospheric oxygen at the pH of 6.0, would there be a significant conversion of Cr3+ to dichromate at equilibrium? Present numerical results to justify your conclusion.
Benzene (A) melts at 6 0C and diphenylmethanol (B) melts at 65 0C. The solids are mutually immiscible. There is a eutectic at 1 0C, the eutectic solution being 20 mol % in B, and an unstable compound, AB2,
what is the mole fraction of ethanol, C2H5OH, in a solution of 47.5 grams of C2H5OH in 85 grams of water
Given the following peptide: MPFITCYRVE What is the net charge on this peptide at pH 3 and pH 11. Use the pK values for the individual amino acids in Table 4.1. Estimate the pI (isoelectric point) for this peptide.
Diphosphorous pentoxide(3.54g) has rected with ferric oxide (5.45g). What is/are the mass/masses of the product/products obtained per reaction assuming 85% yield
The following choices list some common laboratory solvents. In which of these solvents would LiCl be the LEAST soluble
NH4ClO4 ignites and burns in the absence of any other material to produce N2, HCl, H2O and O2. Write the balanced chemical equation for this process and determine the mass of H2O produced.
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