Golgappa.net | Golgappa.org | BagIndia.net | BodyIndia.Com | CabIndia.net | CarsBikes.net | CarsBikes.org | CashIndia.net | ConsumerIndia.net | CookingIndia.net | DataIndia.net | DealIndia.net | EmailIndia.net | FirstTablet.com | FirstTourist.com | ForsaleIndia.net | IndiaBody.Com | IndiaCab.net | IndiaCash.net | IndiaModel.net | KidForum.net | OfficeIndia.net | PaysIndia.com | RestaurantIndia.net | RestaurantsIndia.net | SaleForum.net | SellForum.net | SoldIndia.com | StarIndia.net | TomatoCab.com | TomatoCabs.com | TownIndia.com
Interested to Buy Any Domain ? << Click Here >> for more details...

Why we have to take 42gm of sodium hydroxide instead of 40gm for preparation of 1M Sodium hydroxide as per Pharmacopia? Whether it means the formula for calculating molarity was wrong? 

Answer Posted / ashok kumar

In 1molar NaOH solution we take 42gms NaOH in 1000ml water.why because NaOH pellets having 100% purity

Is This Answer Correct ?    0 Yes 15 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

Ph meter can show more than 14 ph reading? Why ph range in between 1 to 14 only?

743


in dissolution why pool sample needed? in which type of drug pool sample need?

3182


how can give the expiry period and restadardisation of volumetric solution

2600


How to know the estimated LOQ concentration in ppm

1217


How to decide assay range for non pharmacopeial API analysis by HPLC? Could you give me any reference for same e.g Guidelines or Paper publications?

3362


For standardization of volumetric solutions, acceptance limit for concentration is considered as 10% of nominal concentration and %RSD as NMT 0.2% (for appropriate no. of replicates). But , if %RSD has not met, what should be further action?

1911


Tell me something about Vitamin A test method by HPLC

2683


for heavy metal test lead used in which form pure form or any other form for preparation of lead standard sol

6074


If we have 5 strength which is not dose proportinate and excipients also diffrent in each strength then how we can proceed for Force degradation? and excipient are same but not dose propotinate the how FD?

808


what is different when impergnated silica plates are used in separation of azo dyes using column chromatography?

2028


What is the difference between purge septum flow and column flow in gas chromatography?

2588


effect of pore size, pore volume, partical size, column length, carbon load on retention time? what is carbon load? what is the use?

933


We use hicrome 10 cxs column in hplc analysis....pls tell me.. what is the meaning of 10 cxs?

1722


AT WHAT CONDITIONS WILL YOU ANALYSE A SAMPLE,WHICH ARE PRESERVED AT OTHER THAN THE AMBIENT CONDITIONS?(ie COLD STORAGE SAMPLES BELOW 20* CENTIGRADE?

2061


Why are use silicon oil mr?

1207