Sample 1 front contains 5,000 of methyl n-amyl ketone and the back section contains 200 µg of methyl n-amyl ketone Sample 2 front contains 4,000 µg of methyl n-amyl ketone and the back section contains 50 µg of methyl n-amyl ketone Calculate the concentrations of the two personal samples in µg/L and mg/m3. ?

Molar concentration of the bleach stock solution: .134 mol/L Solutions(Dilutions) Concentration% Experiment 1 0.25 Experiment 2 0.50 Experiment 3 1.0 Fill in the OCl- molar concentrations for each experiment. Solutions(Dilutions) OCl- Concentrationmol/L Experiment 1   Experiment 2   Experiment 3

Calculate the milligrams of Cl (35.453 g/mol) in a 3.03 g sample of cleaning solution containing 22.1 wt% NaOCl (74.44 g/mol). NaOCl is the only source of Cl in this solution.

Part A To what volume should you dilute 25 mL of a 11.0 MH₂SO4 solution to obtain a 0.160 M H₂SO4 solution? Express your answer using two significant figures. 195| ΑΣΦ V Submit Request Answer PMC ? L

Choose the pair of compounds that are soluble in each other: I. CH3OCH3 in H2O II. CH3OH in CH2Cl2 III. CHCl3 in NH3 Answer Options: A. III only B. II and III C. I, II, and III D. I and II   *I was thinking all of them? but I don't know *

How can I make 3 ml of 10% MgSO4 x 7H2O from MgSO4

Pre-lab question #9: Calculate the freezing point (°C) of a solution containing 1.25 g of benzene (C6H6) in 100 g of chloroform (CHCI3). -65.7 -62.8 -63.5 -64.3

You have a 20% stock of NaCl, a 30% stock of K2HPO4, 2.5 M NH4Cl and 10 mg/ml stock of ampicillin. a. How many grams of NaCl would you need to weigh out to make up 150 ml of a solution?b. You will be preparing 300 ml of media. You need to dilute this 20% stock of NaCl, the 30% stock of K2HPO4, the 2.5 M NH4 how much stocks you need to add. Fill in the table below. Stock                 Calculate Final Concentration needed      ml added20% NaCl                            1.5%                                            ? 30% K2HPO4                         2%                                            ? 2.5 M NH4 Cl                        0.1M                                          ? 10 mg/ml ampicillin water    0.05 mg/ml                               ?        water                                      To 300 ml                                 ?

If an aqueous solution is 3.11% (w/v) in sodium hydroxide, NaOH  how many grams of sodium hydroxide are there in a liter of solution?  _____g

Q No 36 Kindly solve this question in 20 minutes and get the thumbs up Please show me neat and clean work for it By hand solution needed