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You want to prepare 5.0 liters of a 425 ppb Li 1 solution. How many grams of LiCO3 do you need to weigh out to dissolve in the 5.0 liters?If you had started with a 5000. ppm solution of Li2CO3 solution, how many mL of it would you need to pipet into the 5.0 liter to achieve the same 425 ppb Li 1 solution?
Tincture of iodine is I2 dissolved in ethanol, C2H5OH. A 1% solution of tincture of iodine is 10.0g of solute for 1000. g of solution. How many grams of solvent are present in 1000. g of this solution? How many moles of solute are in 10.0g of I2? ..
the heat of combustion of butane is -2878kj/mol assume a typical cigarette litter hold about 1.75 grams of butane how much energy would be released
Potassium chlorate can be decomposed to o2 and potassium chloride. Calculate the mass of potassium chlorate that must react to procedure 187.1 ml of dry 02 at STP.
that forms when gaseous nitrogen dioxide pollutant reacts with gaseous oxygen and liquid water to form aqueous nitric acid. Write a balanced chemical equation for this reaction.
the Williamson synthesis of the desired ether woudl favor one particular alkoxide ion-alkyl halide combination. Write the chemical equation for the formation of the favored alkyl halide, alkoxide ion, and ether.
A piston-cylinder device contains a saturated mixture of steam and water having a total mass of 0.5 kg at a pressure of 160 kPa and an initial volume of 100 liters
A mixture of 1 atm chlorine gas and 1 atm oxygen gas and no product undergoes this reaction. Cl2 + 2 O2 ---> 2 ClO2 What equation would be used to solve for the equilibrium concentrations
1) Draw all aldehyde and ketone isomers of C 6 H 12 O. 2) What is the reaction that occurs with hexanal and propanol (give both the hemiacetal and acetal products)?
Calculate the pH for a mixture of .050 M formic acid (HCO2) and .050 M hypochlorous acid (HClO)
draw the Lewis structure with all bonds and lone pairs (b) indicate directions in all bond dipoles (c) indicate the molecular dipoles and (d) indicate the shape of each molecule.
A bottle containing 305 g of cleaning solution is used for carpets. If the cleaning solution has a specific gravity of 0.850, what volume of solution was used?
Suppose we are dealing with calcium chloride as opposed to the chemical in the video. If a solution contains 70 g of calcium chloride per 100 g of water at 25 degrees Celsius
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