If I have 2 molof a solution in 25mL, how many moles will be in 75mL of the same solution (concentration is the same)
If I have 2 molof a solution in 25mL, how many moles will be in 75mL...
I want to make a solution that will have [HCOO - ] = 3[HCOOH]. I start with 100ml of a 0.1M HCOOH solution. How many ml of a 1M KOH solution should I add? 5ml 7.5ml 25ml 75ml
if I want 25ml of 10% solution and my stock solution is 50% ,How many ML do I need of stock?How many ML do I need of diluent ?
Let's say you have 25mL of a 3.25M copper (II) chlorate solution a) what is the chemical formula of copper (II) chlorate? b) how many moles of copper (II) chlorate would be in the solution? c) How many moles of the copper (II) ion would be in the solution? d) How many of the chlorate ion would be in the solution? e) How many molecules of copper (II) chlorate would be in the solution? f) How many atoms of oxygen...
How many ions are present in a 25mL solution of 30mM CaSO4?
A solution was made by using an unknown amount of 1ppm quinine solution in a 25mL volumetric flask (was diluted to line). How many mL of solution was used if the end sample had a concentration of 0.017ppm?
1. A) How many grams of Mg(OH)2 will be needed to neutralize 25mL of stomach acid if stomach acid is 0.10 M HCl? B) How many mL of a 0.10 M NaOH solution are needed to neutralize 15 mL of 0.20 M H3PO4 solution?
•How many N atoms would be present in 0.378 moles of N2O? •2. If you have 4.55 x 1016 NO2 molecules, how many moles would you have? •3. How many grams would you need in order to have 0.885 moles of CuCO3? •4. If you have a 15.0 g sample of PF5, how many PF5 molecules would be in your sample? •5. If you have 3.14 x 1019 FeCl2 molecules, how many milligrams would you have? •6. What is the...
a. How many moles of hydroxide ion are in a 100.0 L solution that has a pH of 10.00? b. When the concentration of hydronium ion, [H3O+],decreases by a factor of 1000, what happens to the pH? c. Which solution should have the greatest concentration of H3O+, and which should have the lowest pH? (One is a strong acid and one is a weak acid.) 0.10 M HNO2 0.10 M HNO3
3. If I have 5.50 moles of CH, how many molecules do I have?
How many moles of phenol should be used to prepare 4.00 L of a solution with a concentration of 0.403 M?