What is the molar mass of diacidic organic Lewis base `(B)`, if `12g` of its chloroplatinate salt `(BH_2 PtCI_6)` on ignition produced `5g` residue of `Pt` ?

What is the molar mass if diacidic organic Lewis base (B), if 12g of its chloroplatinate salt (BH_(2)PtCl_(6)) on ignition produced 5g residue of Pt?

What is the molar mass of diacidic organic Lewis base, if 12 g of chloroplatinate salt on ignition produced 5 g residue ?

0.3 g of platinichloride of an organic diacidic base left 0.09 g of platinum on ignition. The molecular weight of the organic base is

0.41g of the silver salt of a dibasic organic acid left a residue to 0.216 of silver on ignition. Calculate the molecular mass of the acid .

0.984 g of a chloroplatinate salt of a diacid base on ignition gave 0.39 g of platinum. Find the molecular mass of the base.

0.400 g of chloroplatinate salt of a monoacid base on ignition gave 0.125 g of platinum. Find the molecular mass of the base.

On what principle is the chloroplatinate salt method for the determination of molecular mass of an organic base based ?

The molar mass of H_(2)O is 18 g moll. What is the number of moles in 90 g water?

The molar mass of O_(2) is 32 g per mole. What is the number of moles in 16 g of oxygen?

18g of glucose (molar mass 180g "mol"^(-1) ) is present in 500CM^(3) of its aqueous solution. What is the molarity of the solution? What additional data is required if the molality of the solution is also required to be calculated?