Questions tagged 'Molarity'
8 questions
You need to prepare 2.00 L of 0.100 M Na2CO3 solution. The best procedure is to weigh out…?
To prepare 2.00 L of a 0.100 M Na2CO3 solution, which of the following procedures is correct? a. Weigh out 10.6 g of Na2CO3 and add 2.00 L of water to it. b. Weigh out 21.2 g of Na2CO3 and add 2.00 L...
What mass of Na2SO4 is needed to make 2.5L of a 2.0M solution?
What mass of Na2SO4 is required to prepare 2.5 L of a 2.0 M solution? (Given: Na = 23 g/mol, S = 32 g/mol, O = 16 g/mol) a. 178 g b. 284 g c. 356 g d. 710 g Please explain how to solve this problem.
What is the molarity of a solution that contains 2.35 g of NH3 in 0.0500L of solution?
What is the molarity of a solution that contains 2.35 grams of ammonia (NH3) in 0.0500 liters of solution? A) 1.00 M B) 47.0 M C) 27.6 M D) 2.76 M E) 0.0276 M
What volume of a 0.716 M KBr solution is needed to provide 25.5 g of KBr?
What volume of a 0.716 M KBr solution is required to obtain 25.5 g of KBr?
What is the molarity of a 3.0-liter solution that contains 0.45 moles of solute?
What is the molarity of a solution with a volume of 3.0 liters that contains 0.45 moles of solute?
A0.1025-g sample of copper metal is dissolved in 35 ml of concentrated hno3 to form cu2 ions and then water is added to make a total
A 0.1025-g sample of copper metal is dissolved in 35 mL of concentrated HNO3, resulting in the formation of Cu²⁺ ions. Afterward, water is added to achieve a total volume of 200.0 mL. What is the mola...
how to convert molarity to ppm???
How can I convert molarity to parts per million (ppm)? Specifically, I would like to understand the formula or method used for this conversion, as well as any factors I need to take into account, such...
calculate the molarity of sodium ion in a solution made by mixing 3.4mL of .386 M soldium chloride with 475mL?
Calculate the molarity of sodium ions in a solution created by mixing 3.4 mL of 0.386 M sodium chloride with 475 mL of 0.0712 M sodium sulfate. Assume the volumes are additive.