cakecake15
10.07.2019 •
Chemistry
Amedical lab is testing a new anticancer drug on cancer cells. the drug stock solution concentration is 1.5×10−9m, and 1.00 ml of this solution will be delivered to a dish containing 2.0×105 cancer cells in 5.00 ml of aqueous fluid. what is the ratio of drug molecules to the number of cancer cells in the dish?
Solved
Show answers
More tips
- G Goods and services Is an Air Ionizer Necessary for Your Home?...
- C Construction and repair How to Choose the Best Underfloor Heating?...
- C Computers and Internet How to Get Rid of Windows Genuine Check?...
- C Computers and Internet War of Social Media: Which Platform is the Leader?...
- H Health and Medicine How to Treat the Flu: A Comprehensive Guide...
- O Other What is a Disk Emulsifier and How Does it Work?...
- F Family and Home What does a newborn need?...
- F Family and Home Choosing the Right Car Seat for Your Child: Tips and Recommendations...
- F Food and Cooking How to Get Reconfirmation of Registration?...
- C Computers and Internet How to Get Rid of Spam in ICQ?...
Answers on questions: Chemistry
- C Chemistry In the fourth period of the periodic table, how many elements have one or more 4p electrons...
- C Chemistry Which chemical change ? a.boiling b.freezing c.burning d.melting...
- C Chemistry Which observation provided albert einstein the clue that he needed to explain the photoelectric effect? light is made up of extremely small particles. particles that are emitted...
- C Chemistry A photon has an energy of 2.34x10-28 J. What is its frequency?...
- C Chemistry Calculate the mass of 120 cc of nitrogen at STP.How many numbers of molecules are present in it?...
- C Chemistry Plz help me asap and dont make it more then 4 sentences or my teacher will know it was not me y’all I’m tryna get you some BRAINLIEST POINTS So answer this simple question. Can...
- C Chemistry In yeast, ethanol is produced from glucose under anaerobic conditions. a cell‑free yeast extract is placed in a solution that contains 3.50 × 10 2 mmol glucose, 0.35 mmol adp ,...
- C Chemistry Estimate the mass transfer coefficient, kc, in a wetted-wall column (wetted with benzene) for the transfer of benzene into carbon dioxide at 0oc. the carbon dioxide gas velocity...
- C Chemistry The active ingredient in aspirin is acetylsalicylic acid (mw = 180.2 g/mol). an aspirin tablet was dissolved in water and titrated with 0.100 m naoh. part a if the titration required...
- C Chemistry Which of the following tools is a wheel and axle...
Ответ:
The ratio of drug molecules to the number of cancer cells in the dish is .
Further Explanation:
Concentration of various solutions can be expressed by various concentration terms. Some of such concentration terms are listed below.
Molarity Mole fraction Molality Parts per million Mass percent Volume percent Parts per billionMolarity is defined as moles of solute present in one litre of solution. It is represented by M and its unit is mol/L. The expression for molarity of solution is as follows:
…… (1)
Rearrange equation (1) to calculate moles of solute.
…… (2)
Substitute for molarity of solution and 1.00 mL for volume of solution in equation (2) to calculate moles of drug.
According to Avogadro’s law, one mole of every substance has . These units can vary from question to question and can be atoms, molecules, or formula units. Since one mole of drug also contains , number of molecules of drug present in can be calculated as follows:
The ratio of drug molecules to the number of cancer cells in the dish can be evaluated as follows:
Learn more:
Calculation of volume of gas: Determine how many moles of water produce:Answer details:
Grade: Senior School
Subject: Chemistry
Chapter: Concentration
Keywords: concentration, concentration terms, solutions, molarity, Avogadro’s law, drug molecules, cancer cells, 4.5*10^6, one mole, atoms, molecules.
Ответ:
( volume (ml) x drop factor (gtts / ml) )/time (min) = gtts / min (flow rate)
so given the above information it will be 1.04