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.
If the electron is in the state n=1, determine the probability of finding it in the region 0 ≤ x ≤ 1/4L When an electron confined to a metallic nano-particle is modeled as a particle in 1-D box of length L.
To cover to two non-contributors, everyone else has to put in additional 16 cents. Find number of people ate breakfast?
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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