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If a solution of 20mL

(1)Make 500 ML of 4N H3PO4. How many grams will be needed?(2) In a titration procedure, 20mL of 2N solution were required to
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2. asked by Nelson
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25g of a sample of ferrous sulphate was dissolved in water containing dilute h2s04 and the volume made up to one litre. 25ml of
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2. asked by Fai
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A stock solution is prepared by adding 20mL of 0.2M Na3PO4 to enough water to make 80mL. What is the Na+ concentration of 20mL
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2. asked by Kev
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Hi,I am having trouble with two questions. Find the pH of the following aqueous solutions prepared by adding: a) 20mL 0.12M HCl
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2. asked by Amy
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1.Pippete 20ml of 0.1M acetic acid and 20ml of 0.1M NaOH into a 100ml beaker (Remember that the final volume of this solution is
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2. asked by tomi
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you need to make 20ml of a 20% glucose solution. I need to calculate the amount of glucose and water needed. I know that the M.W
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2. asked by Anonymous
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a solution of HCL is approximately 0.1M and has to be standardized . 1.234g Na2CO3 are dissolved to make 100ml of solution. 20mL
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2. asked by Joshua
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a solution of HCL is approximately 0.1M and has to be standardized . 1.234g Na2CO3 are dissolved to make 100ml of solution. 20mL
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2. asked by Joshua
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MaterialsButton, corn syrup(20ml), maple syrup(20ml), marble, milk (20ml), paper clip, penny, plastic dropper, plastic graduated
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2. asked by Anonymous
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Two burettes are filled with solutions: one with 0,1OM CH3COOH solution, second with 0,15M CH3COONa. How many milliliters each
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2. asked by Anonymous
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