How much magnesium chloride hexahydrate (MW = 203.3 g/mol) is required to make a 500 mL solution ata concentration of 10 mmol/L? 203.30 mg 1.017 g O 1016.50 g O 10.17 g 2.033 g
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- 40.00 mL of 0.1100 M HCl is diluted to 100 mL with H2O and titrated with 0.1M NaOH. Calculate the pH after addition of the following volumes(mL) of titrant. d) 40.00 e) 43.95 f) 44.00 g) 44.05 h) 50.00. Plot the titration curve. Select an indicator from the table found in your book.To make up a solution of phosphate buffered saline (PBS), you need 10 mM Na2HPO4 (anhydrous) (FW: 141.96 g/mol), 3 M NaCl (FW: 58.44 g/mol), and 5mM KH2PO4 (FW: 136.09 g/mol). How many grams of each will you need to make up 850 mL of PBS?Calculate the molarity (M) of a 46% (w/v) copper sulfate solution (m.w. = 160.0 g/mol).
- Calculate the molarity of dilute Ca(OH)2 solution if the titration of 30.00 mL of 0.05231 M HCl required 24.76 mL of the acid. An 0.2500 g hydroxide tablet sample submitted in the lab used 36.75 mL during titration. How much is the hydroxide in mg present?Calculate pNF concentration in each cuvette using Beer-Lambert’s Law. ε = 18,000 M-1 cm-1; b = 2.00 cm Cuvette 1 pNF 1 mL Water 2 mL Absorbance 0.546Using the Friedewald equation, compute for the LDL-chol. of the patient.Use the mmol/L, so, if you have results in mg/dL like HDL, convert it first to mmol/L. Triglyceride concentration : 0.679mmol/L Cholesterol concentration: 4.843 mmol/L HDL: 49.3 mg/dL