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The titration of 25.0 mL of an iron(II) solution required 18.0 mL of a 0.265 M solution of dichromate to reach the equivalence point. What is the molarity of the iron(II) solution?
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Aqueous lithium sulfate was mixed with aqueous strontium chlorate, and a crystallized strontium sulfate product was formed. Consider the other product and its phase, and then write the balanced molecular equation for t ...
What is the chemical name for S6O and what is the chemical name for S7O2?
A 44.0 g sample of an unknown metal at 99.0 o C was placed in a constant-pressure calorimeter of negligible heat capacity containing 80.0 mL water at 24.0 o C. The final temperature of the system was found to be 28.4 ...
N2O5 decomposes following first order kinetics. If 75% of the original sample of N2O5 has decomposed after 2240 minutes, what is the value of k, the rate constant, at this temperature(in min-1)?
At rest, a person inhales 9.72*10^21 nitrogen molecules in an average breath of air. How many mole of nitrogen atoms are inhaled? (Hint: in air, nitrogen occurs as a diatomic molecule)
Consider two acids HCN and HNO2: HNO2 + H2O NO2- + H3O+ Ka = 5.1 x 10-4 HCN + H2O CN- + H3O+ Ka = 2.1 x 10-9 Which of the following statements is/are true? A ...
As a distributor, Testa Produce doesn't have direct contact with the public. How might the company go about alerting consumers to its "green" initiatives?
For the molecule allene, H2 C = C = CH2, give the hybridization of each carbon atom. Will the hydrogen atoms be in the same plane or perpendicular planes?
When benzene (C6H6 ) reacts with bromine (Br2 ), bromobenzene (C6H5Br ) is obtained: C6H6+Br2→C6H5Br+HBr What is the theoretical yield of bromobenzene in this reaction when 28.0 g of benzene reacts with 60.7 g of bromine ...
What will happen if I decide to test the solubility of sodium chloride in ethanol which is less polar than water.
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