how many mL of a .45% (m/v) KCl solution can be prepared from 490 mL of a 8% (m/v) stock solution?
how many mL of a .45% (m/v) KCl solution can be prepared from 490 mL of...
Part A How many liters of a 0.10% (m/v) KCHIV solution can be prepared from 3.0 L of a 3.5% (m/v) stock solution? Express your answer in liters to two significant figures. IVO AEP Osa? Volume = Submit Request Answer Provide Feedback
Part A How many liters of a 0.10% (m/v) KCHIV solution can be prepared from 3.0 L of a 35% (m/v) stock solution? Express your answer in liters to two significant figures. IVO AXPO Volume = 10 Submit Previous Answers Request Answer X Incorrect: Try Again
4. How many grams of KCl are needed to prepare 20 mL of a 0.5% (m/v) solution?
How many grams of KCl are needed to prepare 368 ml of a 2.00 M KCl solution?
How many milliliters of a 0.900% (m/v) normal saline solution can be prepared from 2.00 g of sodium chloride, NaCl ? Note that mass is not technically the same as weight, but the abbreviation % (w/v) is often used interchangeably with % (m/v).
To prepare 100 ml of a 50.0 mM solution of KCl from a stock solution that is 1.00 M, use: ___________ ml of 1.00 M KCl and _____________ ml of distilled water The answer: (5.00 ml of 1.00 M KCl and 95.0 ml of water.) But how did they get this answer?
How many grams of solid KCl are needed to prepare 250.0 mL of 0.235 M solution?
7. How many liters of 0.775 M solution can be prepared from 55.0 g of ammonium iodide? Calculate the volume, in milliliters, of 0.468 M sodium sulfate solution to provide 2.50 g of sodium sulfate. 8. 9. How many milliliters of water should be added to 30.0 mL of a 4.00M solution to obtain a solution with a concentration of 0.200 M. 10. How many grams of AgPO4 can be produced from the reaction of 2.50 L of 0.200M AgNO,...
7. How many millilitres of 3.50 M NaOH can be prepared from 75.00 pared from 75.00 grams of solid NaOH? 8. A stock solution of 2.00 M CuCl2 is available. What volume of this stock solution is needed to prepare 250.0 mL of a 0.100 M CuCl2 solution? 9. A 4.691 g sample of MgCl2 is dissolved in enough water to give 750 mL of solution. What is the magnesium ion concentration in this solution? A) 3.70 x 10-2 M...
how many moles of each substance 58.0 ml(m/v)%KCl(MW 74.55 g/mol)