Molal elevation constant.

What do you mean by elevation in boiling point and molal elevation constant ? B.P of water at 750 mm Hg is 99.63^@C . How much sucrose is to be added to 500 g of water such that it boils at 100^@C ? Molal elevation constant of water is 0.52 K kg mol^(-1)

Give the unit for molal boiling point elevation constant and molal freezing point depression constant.

The molal elevation/depression constant depends upon -

The molal elevation/depression constant depends upon -

The molal elevation/depression constant depends upon :