To make pickles, fresh cucumbers are soaked in a salt water solution called brine. how many liters of a 4% brine solution must be added to 16 liters of a 10% brine solution to dilute it to an 8% solution?

For the following metal and non-metal combination reaction you have 3 moles of Na. How many moles of Cl2 would you need to add to have stoichiometrically equivalent amounts of NA and Cl2? 2Na (s) + Cl2 (g) - - > 2NaCl (s)

What is the cell potential? a-the difference in reduction potentials of the half-cells b-the difference in oxidation potentials of the half-cells c-the sum of reduction potentials of the half-cells d-the sum of the oxidation potentials of the

A chemistry student needs 65.0g of acetone for an experiment. She has available 250. g of a 12.5% w/w solution of acetone in chloroform. Calculate the mass of solution the student should use.

In which medium will pollen grains be transported faster? Why?

Effect of ph on conformation of aplha helix

A solution that is 33.6 % by mass of phenol (C6H5OH) in water is prepared. What is the mole fraction of the phenol?

Describe the law of conservation of momentum

14. What steps should you take to keep parents and the public from viewing your personal information on social networks?

Match the factors which affect the rate of dissolving/dissociation/diffusion.

How would the equilibrium of an exothermic reaction at 25°c be affected if the temperature of the system were reduced? (hint: apply le chatelier's principle) ?