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Consider the solubility rules and identify all of the spectator ions when the following chemicals react: A) lead (II) nitrate and ammonium chloride B) Barium bromide and potassium carbonate. You must show all work (equations) clearly and in detail to receive credit.
Standards added to tap water contained 0.160 ng/mL (ppb) of Eu(III), but those added to pond water were 100 times more concentrated. (a) From the x intercepts in the graph, calculate the concentration of Eu(III) (ng/mL) in tap water.
By using photons of specific wavelengths, chemists can dissociate gaseous H-I to produce H atoms with accurately known speeds. When H-I dissociates, the H atoms move away rapidly, whereas the relatively heavy I atoms move little. Average Bond Ener..
When 1,2-diaminoethane dissolves in water, the resulting solution is basic. Write the formula of the ionic compound that is formed when 2 molar equivalents of hydrochloric acid is added to a solution of 1,2-diaminoethane. Write an electrically neu..
PbO + NaCl + H2O ---> Pb(OH)Cl + NaOH How many grams of PbO and how many grams of NaCl would be required to produce 10.0g of Pb(OH)Cl? a) Mass of PbO required = ? b) Mass of NaCl required = ?
you must determine the amount of acetic acid and sodium acetate required. the ka of acetic acid is 1.8 x 10-5. show the
What is the pH of a solution made by mixing 100.0 mL of 0.10 M HNO3, 50.0 mL of 0.20 M HCl, and 100.0 mL of water? Assume that the volumes are additive.
a box contains a mixture of small copper spheres and small lead spheres. the total volume of both metals is measured by
Problem- Explain why it is important for the beaker of water to cool slowly and for you to stir the napthalene liquid as it cools
Often reactions of tertiary alcohols or tertiary alkyl halides result in elimination reactions and not substitution reactions
At 20° C, an aqueous solution that is 24.0% by mass in phosphorus pentachloride has density of 2.1 g/cm3. Assume 100 g total solution. what is the molarity of PCl5 in a solution
What is the molarity of a permanganate solution if it takes 10.0 mL of 0.200M iron(II) solution to completely react with 15.7 mL of the permanganate solution
How do you know if an ion is a ligand when given a coordination compound that is not in coordination notation. Example: Co(NO2)3.KNO.2NH3 How do you tell which of these ionic compounds would go inside the brackets, or outside the brackets?
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