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In an acid-base titration, 24.88 mL of an NaOH solution are
In an acid-base titration, 24.88 mL of an NaOH solution are needed to neutralize 26.43 mL of a 0.1049 M HCl solution. To find the molarity of the NaOH solution, we can use the following procedure: a. … read more
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7.0 mL of 6.0 NaOH are diluted with water to a volume of 400
7.0 mL of 6.0 NaOH are diluted with water to a volume of 400 mL. a. Find out how many moles of NaOH are in 7.0 mL of 6.0 M NaOH. Note that the volume must be in liters. b. Since the total number of mo… read more
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A student used 8.75 mL of 0.05 NaOH to titrate 48.65 mL of
A student used 8.75 mL of 0.05 NaOH to titrate 48.65 mL of cola to the first equivalence point (using a pH meter) a. how many moles NaOH were used? b. how many moles H3PO4 were in the cola sample? c. … read more
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Imagine yourself as the Lead Analytical Chemist at Kaplan Industries.
Imagine yourself as the Lead Analytical Chemist at Kaplan Industries. Your first big assignment is to investigate the strength of several commercial antacids for the Food and Drug Administration (FDA)… read more
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Imagine yourself as the Lead Analytical Chemist at Kaplan Industries.
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75.6 mL of an HF solution reacted exactly with 125 mL of 0.0350
75.6 mL of an HF solution reacted exactly with 125 mL of 0.0350 M NaOH solution. Calculate the molarity of the HF solution. 1. 2.67 M 2. 1.26 M 3. 0.0482 M 4. 0.637 M 5. 0.394 M 6. 0.0579 How many mil… read more
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If I have 5 different brands of antacids what would be the
If I have 5 different brands of antacids what would be the Volume NaOh used in back-titration (L) and Moles NaOH used in back-titration. Maalox 24.1mL, Tums 22.4mL, Mylanta 20.0mL, CVS 19.9mL, Rennies… read more
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How many grams of NaOH (molar mass 40.00 g/mol) are required
How many grams of NaOH (molar mass 40.00 g/mol) are required to make a 0.250 L solution that is 2.00 M?… read more
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Problem 1- Acid/Base Titration You are given a sample with
Problem 1- Acid/Base Titration You are given a sample with an unknown amount of oxalic acid. You perform a titration experiment using 0.485 M NaOH. A volume of 34.47 mL NaOH is required to neutralize … read more
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First, each antacid tablet is mixed with 40 mL of 0.1 M HCl this
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For Chemistry 101 Lab Acid-Base Titration I need help ...
For Chemistry 101 Lab: Acid-Base Titration: I need help with calculations for a Chemistry 101 lab. We used Heinz distilled white (5% acidity) Vinegar (Acetic acid - HC2H3O2). The titrant we used was 0… read more
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Zn(OH)2 solid (molecular mass 99.41 amu) is added to ...
Zn(OH)2 solid (molecular mass = 99.41 amu) is added to 0.400 L of 0.550 M HBr. The resultant solution which is acidic, requires 165 mL of 0.500 M NaOH for neutralization. The mass (in mg) of Zn(OH)2 t… read more
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A 0.196-g sample of a carbonate antacid is dissolved with ...
A 0.196-g sample of a carbonate antacid is dissolved with 25.0mL of 0.0946M HCl. The hydrochloric acid that is NOT neutralized by the antacid is titrated to a bromophenol blue endpoint with 6.22mL of … read more
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How many ml of 0.250 M H2SO4 are required to neutralize ...
How many ml of 0.250 M H2SO4 are required to neutralize 60.0ml of 0.200 M NaOH according to the following equation? H2SO4[aq]+2NaOH[aq]-------->Na2SO4[aq]+2H2O[liq]… read more
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Chemistry Problem on Titration.Can you please explain ...
Chemistry Problem on Titration. Can you please explain the set up on this question. It requires 42.5 mL of a NaOH solution to titrate 25.0 mL of a 0.192 N HCl solution. If 32.4 mL of the NaOH Solution… read more
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I need to have the following ranked by most acidic (1) to ...
I need to have the following ranked by most acidic (1) to most basic (14) Data Table: Solution Rank (1 through 14) pH NH4Cl NaHCO3 KNO3 NH3 H2SO4 HCl H2SO3 CH3COOH (HAc) HCN NaOH NaCN NaCH3COO (NaAc) … read more
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By titration, you found that 27.5 ml of 0.155 M NaOH
By titration, you found that 27.5 ml of 0.155 M NaOH is required to neutralize 25.0 ml of HCL(aq). Calculate the concentration of hydochloric acid soln.… read more
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