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Question- A solution has a calcium ion concentration of 248 ppm. If the calcium ion is dissolved as CaCO3, how many grams of CaCO3 are in each kilogram of water?
It is not a question in the book, so I just need the full solution of deriving
nitrosyl bromide decomposes according to the chemical equation below.2nobrg 2nog br2g1.00 atm of nobr is sealed in a
Calculate the pH during the titration of 20.0 mL of 0.25 M HBr with 0.25 M KOH after 19.90 mL of the base have been added.
how much energy in kilojoules is required to convert 205 of diethyl ether at its boiling point from liquid to vapor if
Question- The pKb values for the dibasic base B are pKb1 = 2.10 and pKb2 = 7.50. Calculate the pH at each of the following points in the titration of 50.0 mL of a 0.50 M B(aq) with 0.50 M HCl(aq).
Assume that the volume remains constant when the base is added. when the reaction is complete, what is the concentration ratio of conjugate base to acid. How many moles of strong base were initially added
From the point of view of chemical equivalence, Explain how many different types of protons and how many different types of carbons are there in each of these structures
used in high speed centrifuges to separate the parts of a biological cell. How many liters of 3.07 M sucrose contain 245 g of solute?
A water-soluble phenol is as well acidic toward litmus paper as is a water-soluble carboxylic acid. How would you distinguish the dissimilarity between an aromatic acid and a phenol using a chemical test
Propose a synthesis of 1,2-butanediol from ethyne as the only organic starting material. Your ethyne supply may be split to make different intermediates that, in turn
is it possible for some of the aldehyde to not have reacted and beseen in the product mixture? or does the reaction
A bone sample with 2.8 g of carbon has 17.4 disintegrations per minute. How old is the bone sample in years. What percentage of the atoms of carbon in the biosphere are C-14?
Using proper 3D (wedge/dash) perspective drawings, draw all of the products of the reaction of methylcyclopentane with Br2 & light, ranking them from the highest to lowest-yield product.
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