Inorganic Chemistry Answers

I want treat some rusty metal prior to paint. I have Phosphoric acid. Can I add zinc oxide to the acid solution to create zinc phosphate that can be applied to the surface to improve the bond to primer?? Both ingredients are locally available but a prepared zinc phosphate treatment will take a lot of shipping.

Deduce the change in entropy of a gas, in kJ, which contains 105 particles after the volume changes to

fifty times its original value.

Expansion of octet is not observed in

1. How much iron chloride (III) is found in 20 ml 4% - solution, density of which 1,133 g/ml?

2. Calculate the molarity of sodium chloride, in 50 ml of which is 2.34 g

dissolved matter.

3. Calculate a 20% molarity - a solution of zinc chloride, the density of which is 1,186 g/cm.

4. What weight of 20% - CON solution should be added to 1 kg 50% solution to

get 25% solution?

5. To 1 litre 20% sodium hydroxide solution, which has a density of 1,225 g/ml, added 10 liters

water. Calculate the percentage concentration of the resulting solution

geometry of the [CoCl4]2 complex showing their hybridized orbitals.

What is the mass of 8.30x1024 molecules of NH3?

Ethanol is commonly used as

What is the electropositive character of lanthanides?

Calculate the amount of Ni2+ ions in given solution where

Mass of empty sintered glass crucible = 15.6379 g

Mass of empty sintered glass crucible + Ni-DMG after first heating = 15.6528 g Mass of crucible after second heating = 15.6520 g

Mass of crucible after third heating = 15.6520 g

Construct two molecules comprising of elements from B, C, H, and O that are isolobal to ethylene and acetylene. Can you comment on their stability?