Answer-Brays No. 1 reagent consists of mixture of

Brays no.1 reagent is used for P determination in acid to neutral soils. It consists of a mixture of 0.025 N HCl and 0.03 N NH4F

Question

Brays No. 1 reagent consists of mixture of

A 0.03 NNH_4F+0.025 NHC1

B 0.3 NNH_4F+0.025 N HC1

C 0.03 NNH_4F +0.25 N HC1

D 0.3 N NH_4F +0.25 NHC1