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You need to mix a stock solution of Drug A. The concentration of the stock solution should be 100 milli molar (mM) You need to prepare1.2 mL solution of drug A. the drug is available in a salt form with a formula/molecular weight of 181.6 g/mole. What is the amount in grams of drug A that she will have to weigh out in order to make the stock solution?
The pressure of 9.0 L of an ideal gas in a flexible container is decreased to one-eighth of its original pressure, and its absolute temperature is decreased to one-forth of the original. What is the final volume of the gas?
Write a chemical equation for addition reactions to produce 3-hydroxy-3-methylhexane. Condensed structural formulas should be used for each organic compound.
Calculate the cell potential (Ecell) of an electrochemical cell with Mg/Mg2+ and Fe/Fe2+ electrodes. [Mg2+] = 0.200 M and [Fe2+] = 0.050 M.
what kind of product distribution and what does that tell you about the operating mechanism and the factors that affect product distribution?
a bacterial culture isolated from sewage produced mL of methane,ch4 at 30C and 749 mmHg. What would the volume of methane at standard temperature and pressure 10 C 760 mmHg'
Which of the following materials will react with an acid to produce a gas. A) NaOH(aq) B) Na2CO3(aq) C) both (a) and (b) D) neither (a) nor (b) Which of the following materials will react with an acid to produce a gas
Question- What precautions must be taken when you introduce a mixture of compounds to be separated onto a liquid chromatography adsorbent column?
Question- A piece of zinc is dropped into a hydroiodic acid solution. The gas produced is collected at a temperature of 40oC in a 2.00L flask. Its pressure is measured as 0.245 atm. What is the pressure of the hydrogen in the flask
Compute the pH of a water sample at 25oC that contains 0.62 mg/L of carbonic acid. Presume that [H+] = [HCO3-] at equilibrium and neglect dissociation of water.
Draw the structures of all monobromo derivatives of hexane, C6H13Br, which contain a 6-carbon chain.
What mass of oxygen gas would be consumed by the complete combustion of 7.5g of a mixture of propane (C3H8) and butane (C4H10) in the mole ratio of C3H8 / C4H10 = 1.33
a sample of chlorine which has an average atomic mass of 35.86 consists of two isotopes with mass of 35 and 37. what is
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