Determine the numbers of molecules of nacl
Determine the numbers of molecules of NaCl are in 250 ml of a 5 mM solution? For each mole of substance there are 6.023 x1023 molecules (or number of that substance).
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Identify the acid and base including the number of equivalents per mole of each. FeCl3 reacts with NaHCO3 and how do you balance the following acid-base neutralization reaction? Explain in detail.
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Determine the number of grams of NaCl would you require to add 500 ml of water to make a 5 % solution? Explain in detail.
Calculate the freezing point depression of the solution and determine the molality of the solution and molar mass of the solute if a solution is organized by dissolving 138.50g of sucrose, a non-electrolyte, in 250.0g of deionized water.
Determine the mass of NaCl which is necessary to add to 200ml of water (which is having the density of =1.0 g/mL) to make a 1 molality solution.
A physician has ordered 325 mg of atropine, intra muscularly, determine the number of milliliters would you require to give if the atropine were available as 0.50 g/mL of solution.
A cannon ball made of iron which is having the volume of 115 cm3. What is the mass of the cannon ball in kilograms if iron has a density of 7.86 g/cm3.
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