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Problem- What mass (in grams) of NaCl would you need to add to 100.00 mL of solution to make a final concentration of 100.00mM NaCl?
I'm assuming that the solution is a solution of water? I'm not sure how you are supposed to tell from this question
Please perform what you can and illustrate your work so I can follow. Thanks
Chemical equation of the reaction of Antimony metal with concentrated 1) Sulfuric acid, 2) Hydrochloric acid, and 3) Nitric acid
what mass of nacl is required to lower the freezing point of 1.75kg of water by 2.5 c? what mass of cacl2 would
Calculate the number of moles of O2 required to react with phosphorus to produce 5.50 g of P4O6. (Molecular mass P4O6 = 219.9 g/mol.)
In a dry cell, MnO2 occurs in a semisolid electrolyte paste and is reduced at the cathode. The MnO2 used in dry cells can itself be produced by an electrochemical process of which one half-reaction is shown below.
determine the amount of heat energy needed to convert 255g of substance x from 40 degrees to 300 degrees
Question- in the photochemical decomposition of a certain cmpd, light intensity of 5.4 x 10^-6 einsteins s^-1 was employed. Assuming the most favorable conditions, estimate the time needed to decompose 1 mole of the compound.
The combustion of propane with oxygen is a well known process. State a balanced equation for the reaction of propane, C3H8, with oxygen, O2, forming the products carbon dioxide, CO2, and water, H2O. Explain what mass of water will be produced by t..
Do you experimental data substantiate the rule of thumb regarding the effect on the reaction rate of a 10-degree increase in reaction temperature. Briefly explain
Question- The standard reduction potential for a substance indicates how readily that substance gains electrons relative to other substances at standard conditions.
What is the rate constant of a first-order reaction that takes 343 seconds for the reactant concentration to drop to half of its initial value?
A scientist has a sample of gas that was collected several days earlier. The sample has a volume of 392 cm3 at a pressure of 0.987 atm and a temperature of 21°C.
What is the concentration of ammonium ion in a pH 9 solution that forms when concentrated NaOH is added
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