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4.34 mL of a dark blue solution with a dye concentration of 12.31%m/vis diluted to a...
In the reaction of magnesium metal with hydrochloric acid: Mg(s) + 2HCl(aq) --> MgCl2(aq) + H2(g) What evidence of reaction would you see based on this balanced reaction? The solution cools down Solid formation Bubbles form in solution A color change In the lab, a student measures a teaspoon of an unknown liquid. The teaspoon of liquid has a mass of 6.84 g and a volume of 4.48 ml. How many teaspoons would be in 1.77 kg of this unknown...
1. A stock solution of blue dye has a concentration of 4.0 x 10 M. If 8.00 mL water is added to 2.00 mL of the blue dye stock solution, what is the concentration of the new solution?
a) What is the resulting nitrate ion concentration of the diluted solution if 24.00 mL of a 0.514 M sodium nitrate solution is diluted to a total volume of 350.00 mL? Note that this problem is asking for the concentration of the ion (after the salt dissolves) and not the concentration of the salt. Enter units. b) What is the resulting ammonium ion concentration of the diluted solution if 50.00 mL of a 0.572 M ammonium carbonate solution is diluted...
How many grams of potassium bromide are needed to prepare 300.0 mL of a solution that is 2.0%w/v? Do NOT include any units, just answer with the NUMBER of grams, for example: 4.2 or 13 or 220. Type your response What is the new concentration, if solvent is added to 20.0 mL of a solution that is 4.0%w/v, until the total volume of the solution is 100.0 mL? (DO NOT include any units with your answer.) Type your response 25...
If 13.0 mL of a dye solution is diluted to 25.0 mL, what is the percent concentration of the diluted solution? (Consider the original solution to be 100%)
QUESTION 1 A food dye solution has a dye concentration of 2.5 x 10- M. If 3.0 mL of this dye solution is diluted to 15.0 mL, what is the concentration of the diluted solution? O 1.7 x 10-6 M 07.5 x 10-6 M O 7.5 x 10-5 M 2.5 x 10-5M 5.0 x 10-6 M
If you took 6.67 mL of a 0.47 M solution and diluted it to 16.8 mL, what is the new concentration (in M? In the 'Answer box, express your numerical answer to 2 significant figures. Give the correct units in the 'units' box.
If 45.0 ml of 0.25 M sodium chloride solution is diluted to a final volume of 170.0 ml what is the concentration of the new solution ? I know the answer is A but I don’t know how to get to the right answer :( 35. If 45.0 ml of 0.25 M sodium chloride solution is diluted to a final volume of 170.0 mL, what is the concentration of the new solution? a. 0.066M b. 0.090 M c. 0.18 d....
I have a 0.125 M sodium oxide solution a) 15.25 mL of this is diluted to 100.00 mL total volume. What is the concentration of the new solution? b) I now want to make 75.00 mL of a 20.00 mM solution. What volume of the 0.125 M solution must be diluted to 75.00 mL to make this? c) What is the concentration of sodium ions in the 0.125 M sodium oxide solution?
1. Serial dilution Questions: a) (5 pts) Suppose you begin with stock solution of dye that has a concentration of 350.0 mg/L and do the following set of serial dilutions on it: 5.00 mL of stock diluted to a total volume (TV) of 500.00 mL (Dilution 1); 2.00 mL of Dilution 1 is then diluted to a TV of 250.00 mL (Dilution 2); finally, 1.00 mL of Dilution 2 is then diluted to a total volume of 100.00 mL. Calculate...