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Could you please explain how to create a 260 L solution of ultra pure H2O with 1 molarity of sodium bicarbonate NaHCO3 Mwt 84.01 g/mol and 1 molarity of perchlorate from potassium perchlorate KClO4 138.55 g/mol?
Write a balanced redox equation for the seperation of Cu2+ from the other Qual 1 cations. The other cations are Na+ , K+ , NH4+ , Mg2+ , and Ca2+.
A 28.0-g sample of water at 290. K is mixed with 51.0 g water at 310. K. Calculate the final temperature of the mixture assuming no heat loss to the surroundings.
At 25 °C and 765 Torr, carbon dioxide has a solubility of 0.0342 M in water. What is its solubility at 25 °C and 1470 Torr
a solution is prepared from 2.50 g of an unknown compound and 25.0 g of benzene c6h6. the freezing point of this
When performing your experiment, you add your first drop of oleic acid/benzene solution, and a lens forms immediately. What is wrong with your setup
Determine if the sample has non-volatile impurities (dissolved in it) b. If found to contain such impurities, determine a suitable method for its purification
what would be the effect on the results of mistakenly adding 2.43 times 10^-3 g Mg to 4.0 mL of 0.1M hcl rather than to 4.0 mL of 1.0M hcl as instructed
20ml of 0.15M H3PO4 is required to neutralize 40ml of a KOH solution. The molarity of the KOH solution is?
Draw the structure of diacetylferrocene. comment on the distribution of the two acetyl groups over the two aromatic rings: are they likely to be on the same ring or on different rings? Clearly explain your rationale.
A molecular compound contains 92.3% carbon and 7.7% hydrogen by weight. If 0.152 mol of the compound weighs 3.95 g, what is its molecular formula?
Identify which of the following statements about the halogenation of alkane hydrocarbons are correct. a) Halogenation of alkanes follows a chain mechanism.
Metallic magnesium can be made by the electrolysis of molten MgCl2. What mass of Mg is formed by passing a current of 6.40 A through molten MgCl2 for 4.90 days?
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