You have a stock solution of 20% (w/w) Triton X-100, a viscous detergent often used to permeabilise membranes that has a density of 1.07 g/cm. If the FW of Triton X- 100 is 625 g/mol, which of the following is the correct molar concentration of the Triton X-100 solution? O 32.42 mM 34.24 mM 320 mM 0.032 M O 0.003 M

The density of water at 25 degree Celcius is at 0.9975 g/ml and the density of ethanol, C2H5OH, is 0.786g/ml. What is the molarity of a solution made from 17.6 grams of ethanol and 146.7 grams of water? Assume the volume are additive?

How many grams of Pb(NO3)2 (331.2 g/mol )are needed to prepare 100 ppm (w/v) of Pb*2 (207.2 g/mol) in 1L solution? 1. O0.137 g O 0.073 g 3. O136.8 g 4. O0.100 g 2.

If you have a 10% w/v solution of NaCl, what is its molar concentration?

At 20 °C and a partial pressure of 760 mmHg, the solubility of CO₂ in water is 0.169 g/100 mL. Part A What is the solubility of CO₂ at 2.0×104 mmHg? Express your answer using two significant figures. xa || ΑΣΦ Xb C= 3.38.10³ √x xx x x IXI Submit Previous Answers Request Answer * Incorrect; Try Again; 5 attempts remaining X.10 g/100 mL

What volume (in mL) of a 2.5 M NaOH solution is needed to prepare 500.0mL of a 0.10 M NaOH solution? Formula-C1V1=C2V2

What is the percent-by-mass concentration of KOH in a solution that is prepared by adding 18.0 g of KOH to 95.0 g of water? Multiple Choice 18.9% 15.9% 31.5% 5.28% 77.0% A目 DELL relcode. autofeed 9-13-9 26 927- 10 IO QA 8 51 913 due 9.27 19.14-9.27 due 1011 9-28-10-11 duc 1025 N0-12 10-25 due II 8 10-26-11.8 due l1 22. -9-11:22 duc 12 11-23 12-6e 17 7-12 20 due 01.03 10-11- 10AY 10-25- 11- 1.8. 11.21 I1:22- 12-5 12.6. 12A UL-13) 12-20 01.02 Prize accouht nailed it VIP awavdd due 1L-20 Expert award OL:17.01- 30 13 Caugh

Calculate the grams of solute needed to prepare each of the following solutions. 300.0 mL of a 2.500 M NaOH solution   700.0 mL of a 0.1000 M CaCl2 solution

2. a) 25mL of water is added to 125mL of 1 0.15mol/L NaOH solution, what is the concentration of the diluted solution? b) What volume of 0.05mol/L HCl solution is made by diluting 250mL of 10.0mol/L HOCI?

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