how to calculate PH =1.9 therefore =0.0126M I do not understand only this part about PH = 0.0126M Please tells me how to calculate the PH = 1.9 = 0.0126M Other way to calculate 0.0126Moles = PH 1.9 0.0126M x 4.85L=0.061mole 0.061mole x 36.46 = 2.22g 2.22g /0.36 = 6.16 6.16/1.1...
What volume of a concentrated hcl solution which is 36% by mass and has a density of 1.179 g/ml to make 4.85L of an hcl solution with ph of 1.9? Who helps me to solve it for me.
A sample of solid monoprotic acid with molar mass equal to 169.7 g/mol was titrated with 0.1599M sodium hydroxide solution. Calculate the mass in grms fo acid to be used if the volume of NAOH to be used is 25ml. My calculation 0.1599 x 0.025L = 0.00399 0.00399 x 1000 = 3.9975 ...
A volume of 40.0 of aqueous potassium hydroxide was titrated against a standard solution of sulfuric acid h2so4. What was the molarity of the solution if 20.02 of 1.50M h2s04 was needed? Who helps me to solve it for me.
Pure pharmacy math
How many ml of terpin hydrate elixirs containing 33mg/5ml and 5mg/5ml needed to prepare 6 fl oz of an elixir containing 4mg terpin hydrate per ml? My calculation: 33mg/5ml = x/100ml - 660mg changes 0.66gm 5mg/5ml = x/100ml - 100mg - 0.1gm 4mg/1ml = x/100ml - 400mg - 0.4gm 1oz ...
How much ethanol C2H50H in liters d=0.789g/ml must be dissolved in water to produce 190.5 of 1.65M c2H50H ? Molarity problem. Who helps me to solve it for me. My calculation 0.789g/ml x 1000ml/46.06 = 17.12M 17.12M = 190.5 x 1.65 17.12M = 314.325 x= 314.325/17.12 x = 18.36ML I...
How much concentrated hydrochloric acid solution 36% HCL by mass d=1.18g/ml in milliliters is required to produce 11.0L of 0.296 M HCL? My calculation 1.18 x 1000ml x 0.36/36.5 = 11.6M 11.6M = 11000ml x 0.296 11.6m = 3256ml x= 3256ml/11.6 x= 280ml. I am not sure the right answ...
A prescription calls for 250ml of a 0.1N hydrochloric acid HCL solution. How many ml of concentrated hydrochloric acid are needed to make this solution? The specific gravity hydrochloric acid is 1.18 the molecular weight is 36.46 and the concentration is 37.5% because hydrochl...
A solution of sodium cyamide nacn has a ph of 12.10. How many grams of nacn are in 425ml of solution with the same PH Who helps me to solve it for me. Step by step
Calculate the PH concentrated hydrochloric acid if this solution is 24.8% HCL by weight and has a density of 1.16g/ml. I do not understand the right answer 0.90PH Why? Please help My calculation 1.18g/ml x 1000ml x 0.248/36.5 = 7.8M I cannot do?