hani78989 hani78989

15-09-2022
Chemistry

Answered

How would you prepare 250 mL of a 0.170 M
solution of CaCl₂ from a 3.10 M stock solution?

Calculate the volume of CaCl2 stock solution.

Answer :

Other Questions

A 2.64 L aqueous solution of KOH. The solution has a density of 1.29 g/mL. Calculate the molarity, Molality, and mass percent concentration of the solution.

A 2.45M of sulphiric acid solution has a density of 1.15g/ml at 20degree celesius.what is the molality of the solution in that temprature?

Determine the new concentration of a 100.0 mL solution of 0.500 M sodium fluoride (NaF) after it is mixed with a 150.0 mL solution of 0.200 M potassium nitrate

Question A 25.00 mL potassium iodide solution is added with dilute hydrochloric acid and 10.00 mL of 0.050 potassium iodate solution (in excess). By heating the

You have a 37.0 (±0.5) wt% HCl solution with a density of 1.18 (±0.01) g/mL. To deliver 0.045 0 mol of HCl requires 3.76 mL of solution. If the uncertainty that

The density of a solution of sulfuric acid is 1.8022g/cc and it is 88.00 percent by mass. What is the volume of the solution ( in millimetre) do you need to sup

HOCN(aq)⇄H+(aq)+OCN−(aq)Ka=3×10−4 The ionization of cyanic acid, HOCN, is represented above. A certain solution of HOCN has a pH of 2.0. What is the approximate

When a solid dissolves in water, heat may be evolved or absorbed. The heat of dissolution (dissolving) can be determined using a coffee cup calorimeter. In the

An IV is prepared to deliver 2.00 L of a saline solution to a patient with a drop factor of 60.0 gtt/mL and a drip rate of 115.0 gtt/min. How many hours will it

How many electrons can be described by the same set of 4 quantum numbers? A. 1 B. 2 C. 4 D. 8