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A sample of conc. nitric

Hi,there was an error with the procedure. 1.0g NaOH sample was dissolved in 5ml of water and acidified with 4ml of conc. nitric
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2. asked by candy
3. 660 views
In Kjeldhal's method, Conc. H2SO4,NaOH & Boric acid is used to measure the % of nitrogen in a sample. If , in a sample HgCl2 is
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2. asked by Jyoti
3. 444 views
"Use a 10% w/v nitric acid solution."How to prepare 10% w/v nitric acid solution? Do I just weigh 10g of conc nitric acid (65%)
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2. asked by jessie
3. 4,262 views
A sample of conc. nitric acid has a density of 1.41g/ml and contains 70% HNO3 by mass.What mass of HNO3 is present per L of
1. 3 answers
2. asked by Tree Frog
3. 1,731 views
A 0.411 g sample of powdered copper mixed with an inert, soluble additive was fully consumed by 23.4mL of 0.602M nitric acid,
1. 1 answer
2. asked by Veronica
3. 2,511 views
c=Calculate the OH- conc in a solution containing 6.2x10(-3)M Ba(OH)2 and 1.00x10(-2)M BaCl2?I thought of using the BaCl2 conc
1. 4 answers
2. asked by matt
3. 1,168 views
A water chemist obtained a 250 ml sample from a nearby lake and fixed the oxygen on-site with alkaline solutions of MnSO4 and
1. 3 answers
2. asked by Dalal
3. 2,603 views
30.00cm3 Hcl acid of conc. 6.4g/dm3 neutralised 25. 00cm3 of an unknown alkali (XOH),whose conc. was 4.85gdm3 calculate,a. the
1. 1 answer
2. asked by Gideon
3. 1,033 views
The specific gravity of a sample of concentrated nitric acid is 1.42. What is the volume in liters at 20oCoccupied by 145.3 g of
1. 2 answers
2. asked by Esmeralda
3. 1,007 views
if a 20 ml sample of nitric acid is titrated with 32 ml of 0.200 mol of potassium hydroxide what is the concentration of the
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2. asked by ester
3. 589 views