Which of the following is the correct name for the compound kbro3? potassium bromate potassium (ii) bromate potassium (i) bromate dipotassium monobromate

The correct name of the compound is potassium bromate.

KBrO₃ contains a metal, so it is an ionic compound.

The name of an ionic compound is: name of metal cation + name of anion .

Name the metal

The name of the cation is the name of the metal — potassium

The ion has only one charge (+1), so the name of the ion does not use a Roman numeral in parentheses.

Name the anion

BrO₃⁻ is an oxyanion. Name = (stem)ate = bromate.

Name the compound

The names of salts do not use multiplying prefixes like mono- or di-.

∴ metal ion + anion → potassium bromate

the role of the microscope world in creating new materials .

number of molecules / avogadro's number * molecule molecular = mass

explanation:

we define a gram-molecular weight as the mass of one mole of any element or compound. a mole contains avogadro's number of units (molecules) –  

6.022

x

10

23

. so, dividing the number of molecules by avogadro's number gives us the number of moles. multiplying that by the molecular weight gives us the mass. from the periodic table we find the gram-molecular weight of u to be238 and of f to be19. so,  

u

f

6

will have a gram-molecular weight of 352g.