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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 lel of h2s?

The Lower Explosive Limit (LEL) of hydrogen sulfide (H2S) is 4.3%. This means that in order for H2S to ignite and sustain combustion, its concentration in the air must be above 4.3%. Below this threshold, the mixture is too lean to burn.


What the purpose of the lead acetate in the detection of H2S?

Lead acetate is used in the detection of hydrogen sulfide (H2S) because it forms a black precipitate of lead sulfide when it reacts with H2S. The formation of this black precipitate confirms the presence of hydrogen sulfide by providing a visible indication of the gas.


The PEL for h2s gas is?

The permissible exposure limit (PEL) for hydrogen sulfide (H2S) gas is set by OSHA at 10 parts per million (ppm) as an 8-hour time-weighted average. Employers must ensure that worker exposures do not exceed this limit to protect against health effects associated with H2S exposure.


Do HNO3 and Na2S react?

Of course they react.H2S and NaNO3 is given out.


What is released when Na2S and HCl mix?

Na2S + 2HCl = 2NaCl + H2S (smelly toxic gas) Sodium sulphide + hydrochloric acid => Salt (Sodium chloride) and Hydrogen sulphide


What is the reaction of dilute nitric acid and sodium sufide?

The reaction between dilute nitric acid and sodium sulfide will produce hydrogen sulfide gas, sodium nitrate, and water. The balanced chemical equation for this reaction is 2HNO3 + Na2S → 2NaNO3 + H2S.


What is the formula of the hydride formed by sulfur?

A hydride is hydrogen anion (a negative ion), written as H- A few examples of hydrides are Sodium hydride, NaH Calcium hydride, CaH2 Sodium borohydride, NaBH4 Lithium aluminum hydride, LiAlH4


What does the ending -ide mean for compounds?

It only contains two elements, such as sodium chloride (NaCl) and hydrogen sulfide (H2S).


What is the reaction of sulfur chloride and sodium hydroxide?

It will form sodium chloride and sulfur hydroxide


What percent of starch solution is used for H2S gas analysis with Iodine?

Typically, a 10% starch solution is used for H2S gas analysis with iodine. The starch solution acts as an indicator by forming a blue-black complex with iodine in the presence of H2S gas, allowing for easy detection of the gas.


When hydrochloric acid reacts with sodium sulfide hydrogen sulfide gas and sodium chloride are produced. How many moles of H2S will be generated by 2.56 moles of HCl?

The balanced chemical reaction between hydrochloric acid (HCl) and sodium sulfide (Na2S) can be represented as: [ 2 \text{HCl} + \text{Na}_2\text{S} \rightarrow \text{H}_2\text{S} + 2 \text{NaCl} ] From the equation, 2 moles of HCl produce 1 mole of H2S. Therefore, if you start with 2.56 moles of HCl, it will generate: [ \frac{2.56 , \text{moles HCl}}{2} = 1.28 , \text{moles of H2S} ] Thus, 2.56 moles of HCl will produce 1.28 moles of H2S.