What is the concentration of hydronium ion in a 0.0400 M solution of H2SO4?

When solid (NH4) (NH2CO2) (NH4) (NH2CO2) is introduced into and evacuated flask at 25∘C25∘C, the total pressure of gas at equilibrium is 0.30.3 atm. What is the value of Kpat25∘CKpat25∘C?

Differentiate between the various qualities of reagents which are ordinary, analar and industrial quality reagent

What type of chemical reaction is 4Fe + 30, - --> 2Fe203

What is the formula for sodium sulfate? a. na (so) b. naso c. naso d. na (so) ?

How many atoms are in three moles of carbon? A) 1.8 x 1023 atoms B) 1.8 x 1024 atoms C) 2.0 23 atoms D) 18.0 atoms

The ksp of cobalt (ii) carbonate, coco3, is 1.0 * 10-10. calculate the solubility of this compound in g/l.

If crown b is more dense than crown a then which is pure gold

In an ecosystem, a population can be defined as A. all the individuals of a species that exist together at a given place and time. B. all individuals of a species born in a specified month in every region of the world. C.

How many grams of NH3 are needed to provide the same number of molecules as in 0.55 grams of SF6?

Round 129.752416 to the requested number of significant figure a. 3 significant figures c. 6 significant figures_22 b. 4 significant figures d. 7 significant figures