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What does H2s positive mean?
H2S positive typically means that hydrogen sulfide gas has been detected. This gas is usually associated with sulfur compounds in the environment and can have a distinctive "rotten egg" smell. In a laboratory setting, a positive H2S test could signify the presence of certain bacteria that produce hydrogen sulfide.
In H2S determination with iodometry (by iodine and thiosulfate - and H2s dissolved in Borax) why we add HCl to iodine before adding borax?
HCl is added to iodine in the iodometric determination of H2S to ensure that the iodine is in an acidic medium, which helps to prevent the formation of iodine complexes that could interfere with the reaction. The acidification promotes the conversion of H2S to the more easily oxidized species, allowing for a more accurate measurement of H2S concentration. Additionally, the acidic environment aids in the proper dissolution of iodine, ensuring that it reacts effectively with any H2S present in the sample.
Is the compound h2s an acid?
It is known as hydrosulfuric acid. Not to be confused with sulfuric acid which is H2SO4
What is a formula for sodium hydrogen sulfide?
The formula for dihydrogen sulfide, or just hydrogen sulfide, is H2S. A pair of hydrogen atoms are bonded to a sulfur atom to make up this toxic compound. A link can be found below for more information.
What is the equation for photosynthesis using CO2 and H2S?
It is not using H2S gas. It is using H2O liquid.
What is the product of ZnS and HCl?
When zinc sulfide (ZnS) reacts with hydrochloric acid (HCl), it forms zinc chloride (ZnCl2) and hydrogen sulfide (H2S) as products.
What does H2s positive mean?
H2S positive typically means that hydrogen sulfide gas has been detected. This gas is usually associated with sulfur compounds in the environment and can have a distinctive "rotten egg" smell. In a laboratory setting, a positive H2S test could signify the presence of certain bacteria that produce hydrogen sulfide.
How can you make h2s?
Add an acid to Na2S.It will emit H2S.
Is H2S ironic or covalent?
H2S is a polar compound.It is not ionic.
What is the pH of a solution containing H2S?
The pH of a solution containing H2S would be acidic, as H2S is a weak acid. The exact pH value would depend on the concentration of H2S in the solution.
What is the fomula for hydrosulfuric acid?
Hydrosulfuric acid is H2S. H2S (aq) (H2SO4 is sulfuric acid). The acids with "hydro" at the start of their names are all derived from dissolved gases, e.g. hydrochloric acid is aqueous hydrogen chloride, hydrocyanic acid is aqueous hydrogen cyanide etc.
What is the formula for hydrosulfric acid?
The formula for hydrosulfuric acid is H2S.
Can H2S gas discolor carpeting?
H2S do not have bleaching properties.So it do not discolor
What is the state of h2s?
H2S is a gas.It smells like rotten eggs.
Is the compound h2s an acid?
It is known as hydrosulfuric acid. Not to be confused with sulfuric acid which is H2SO4
How can we make H2S in lab?
Add Na2S or K2S to an acid.It will give out H2S.
How many moles of hydrogen sulfide are contained in a 64.6-g sample of this gas?
To find the number of moles of hydrogen sulfide, divide the given mass by the molar mass of hydrogen sulfide. The molar mass of hydrogen sulfide is approximately 34.08 g/mol. Thus, 64.6 g / 34.08 g/mol = 1.9 moles of hydrogen sulfide in the sample.
