Formula used and solution of problem shown in the following image
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1) How much water must be added to 400. mL of 0.400 M ethanol solution to create a 0.0400 M solution? 2) Which solution will have the highest concentration of ions? a) 0.100 M NH4Cl b) 0.100 M K2SO4 c) 0.100 M glucose d) 0.100 M Na3PO4 e) They all have equal concentration
How much water needs to be added in 60.0 mL stock solution of 4.00 M HNO_3 to prepare 0.200 M HNO_3? M_i V_i = M_f V_f What is the molar concentration of the chloride ion in a 4 M AlCl_3 solution?
If the molecular weight of a molecule was 450 daltons, how much would be added to 100mL of water to make a 2 M solution? If the molecular weight if a molecule is 400 daltons, how much would be added to 500 mL of water to make a 0.5 solution?
A) How many moles of sodium hydroxide would have to be added to 225 mL of a 0.362 M hydrocyanic acid solution, in order to prepare a buffer with a pH of 9.580? B) An aqueous solution contains 0.383 M nitrous acid. How many mL of 0.287 M sodium hydroxide would have to be added to 250 mL of this solution in order to prepare a buffer with a pH of 3.600? C) An aqueous solution contains 0.313 M ethylamine...
How much water shoud be added to 500. mL of a 2.40 M H2SO4(aq) solution to make a 1.00 M H2SO4(aq)? Thank you!
1. Calculation tasks a) How much water and how much 12M HCl solution (M = 36.5g / mol) should be used to prepare 70 ml of this acid solution? b) 3 ml of bromine (d = 3.1 g / cm) was used to carry out the bromination reaction of 3 g phenol. Give the equation for the reaction of phenol with molecular bromine. Calculate the stoichiometric efficiency of the reaction c) To 120 g of a 40% strength NaOH solution...
Question 3 (1 point) You have 25.00 mL of a 0.1000 M sugar solution. How much water must be added to make a 0.01059M solution? O 236.1 ml O 2.65 ml 022.4 mL O O 211.1 ml O 26.5 mL Question 4 (1 point) You have 100.0 mL of a 0.2500 M solution of NaCl sitting in a beaker. After several days you test the solution and find that it is now 0.3930M. How much water must have evaporated? 063.6...
qestOn How many moles of potassium hydroxide would have to be added to 225 mL of a 0.325 M hydrofluoric acid solution, in order to prepare a buffer with a pH of 3.060? moles An aqueous solution contains 0.428 M hypochlorous acid. How many mL of 0.292 M sodium hydroxide would have to be added to 150 mL of this solution in order to prepare a buffer witha pH of 7.140? mL
Order Ampicillin 325 mg/IM BID How much Diluent should be added? How many ml should the patient receive? Note: For IM use add 3.5Ml Diluent (Resulting solution contains 250mg ampicillin) Order: Ampicillin – Sulbactam 250mg/IV Based on ampicillin content. Stock: Ampicillin Sulbactam 500: 250mg/vial To be stable at 24C the drug should have a concentration of 45mg/ml (Ampicillin Sulbactam) how much diluent should be added? How many ml should the nurse give?
Answer the following solution concentration questions How much water must be added to 40.0 g of CaCl, to produce a solution thatis 35.0% CaCl2? a. b. You can purchase hydrochloric acid in a concentrated form that is 36.0 % HCl by mass and that has a density of 1.20 g/mL. Describe exactly how to prepare 1.15 L of 0.500 M HCI from the concentrated solution