Fertilizers supply the essential elements, nitrogen, phosphorus and potassium for plant growth. Calculate the percentage of nitrogen and oxygen in ammonium nitrate. Can you explain this answer? The molar mass of #"N"# is #"14.007 g/mol"#. What is the mass % of nitrogen in NH3? Nitrogen Nitrogen (N 2) in the environment exists primarily in the earth’s atmosphere as a colorless, tasteless, and generally inert gas Air, by volume, is composed of about 78.08% nitrogen, with oxygen (O 2) following at about 20.95% Nitrogen is assimilated (absorbed/digested) and/or fixed from the air in … Nitrogen is necessary for all living things and must be converted into other compounds by micro-organisms in soil. It can also be used as a measure of the health of water in natural bodies such as rivers or lakes, or in man made water reservoirs. how much of that is nitrogen? The formula indicates that in each mole of #"NH"_3#, there is one mole of #"N"# atoms. A bag of fertilizer contains 500g of ammonium sulfate, $ \small \ce{(NH4)2 SO4}$, and 500g of potassium nitrate, $\small \ce{KNO3}$. The ammonia, which is a weak base, can be neutralized with hydrochloric acid, as described by the equation. Also the Kjeldahl method is used for the nitrogen determination in wastewaters, soils and other samples. chemistry Can you explain this answer? 82.24% percent composition of N and 17.76% percent composition of H. if 100N are 100 units of nitrogen (as an element), the content of N in NH4NO3 is 34% so if you divide 100 by 0.34 you obtain 294 which is the amount of fertilizer that will provide 100 units of N Cite What is … Approximately 60 to 80 percent of the nitrogen in urine is in the form of urea. Answers of The percentage of nitrogen in ammonia is given by the expression :-a)14 x 100/17b)(3/17 x 100)c)4x 100/34d)3/34 x 100Correct answer is option 'A'. Urease, an enzyme produced by microorganisms in feces, reacts with urinary urea to form ammonia. The determination of Kjeldahl nitrogen is made in foods and drinks, meat, feeds, cereals and forages for the calculation of the protein content. It is highly unreactive in the atmosphere. This discussion on The percentage of nitrogen in ammonia is given by the expression :-a)14 x 100/17b)(3/17 x 100)c)4x 100/34d)3/34 x 100Correct answer is option 'A'. [Relative molecular mass of ammonium nitrate is 80, H = 1, N= 14, 0= 16], of nitrogen in a wide range of samples. Ammonium nitrate, a salt of ammonia and nitric acid, used widely in fertilizers and explosives. In contrast, plants can readily take up mineral forms of nitrogen, including nitrate and ammonia. The Questions and Correct answer is option 'A'. The Kjeldahl method is used to determine the amount of nitrogen present in an unknown sample. The percentage of nitrogen in the soil is (a) 37.33 (b) 45.33 (c) 35.33 (d) 43.33 Determine the % of N in the substance (Aqueous tension at 14 º C =12 mm) Ammonia nitrogen exists mainly as ammonium in the pH range of most natural waters, but the fraction of un-ionized ammonia increases at higher pH levels and temperatures. Classically, this method is used to estimate the protein content of food and the amount of nitrogen in soil samples. Ammoniacal nitrogen (NH 3-N) is a measure for the amount of ammonia, a toxic pollutant often found in landfill leachate and in waste products, such as sewage, liquid manure and other liquid organic waste products. What is the mass percentage of nitrogen in ammonia? About 60% of total U.S. ammonia production Nitrogen makes up 78 percent of the air. The percentage of nitrogen in the food is: The percentage of nitrogen in the food is: A Percentage by mass of nitrogen = ( Mass of nitrogen atom / Mass of ammonia molecule ) x 100 = ( 14 / 17 ) x 100 = 82%. People are searching for an answer to this question. Explain the effect of raising the temperature of exothermic equilibrium reaction. Ammonia contains about 82.35 % nitrogen by mass. The percentage of nitrogen in ammonia is given by the expression :-a)14 x 100/17b)(3/17 x 100)c)4x 100/34d)3/34 x 100Correct answer is option 'A'. Have a Free Meeting with one of our hand picked tutors from the UK’s top universities. Calculating percentage by mass. The percentage of hydrogen in ammonia is 17,75741 %. Excessive nitrogen deposition can lead to significant biodiversity loss through loss of plant species and changes in … During estimation of nitrogen present in an organic compound by Kjeldahl's method, the ammonia evolved from 0. Total ammonia-nitrogen, (NH3 - N)t = 2.20 mg/L From APPENDIX II (Reference 1), the percent un-ionized ammonia at pH = 8.3 and T = 18.5oC is 6.63%. Can you explain this answer? community of Class 9. soon. 5 g of the compound in Kjeldahl's estimation of nitrogen neutralized 1 0 mL of 1 M H 2 S O 4. . Show the covalent bonding in terms of electrons in their outer shell for a molecule of Carbon Dioxide. Calculating the mass of 1 molecule of ammonia: Mass = ( Number of hydrogen atoms x Mass of hydrogen atom) + ( Number of nitrogen atoms x Mass of nitrogen atoms) Mass = ( 3 x 1 ) + ( 1 x 14) = 17. NH3(aq)+HCl(aq)----->NH4Cl(aq) If 46.0 mL of 0.150 M HCl(aq) is needed to neutralize all the NH3(g) from a 2.25-g sample of organic material, calculate the mass percentage of nitrogen in … the molar mass of nitrogen/molar mass of ammonia=14.01/17.034*100 (for percentage) so =about 82.2% nitrogen. Can you explain this answer? Question bank for Class 9. The molar mass of ammonia is #"17.031 g/mol"#. NITROGEN (FIXED)—AMMONIA (Data in thousand metric tons of contained nitrogen unless otherwise noted) Domestic Production and Use: Ammonia was produced by 16 companies at 35 plants in 16 States in the United States during 2019; 2 additional plants were idle for the entire year. Explaining the conditions. If the answer is not available please wait for a while and a community member will probably answer this Molar mass (NH4)2SO4 = 132.14 g/mol 1mol (NH4)2SO4 contains 2 mol N Molar mass N = 14g/mol , Mass of 2 mol N = 28g %N in (NH4)2SO4 = 28g/ 132g * 100 = 21.2% The proportions of … Video-Given atomic masses and chemical formulas, find the mass % [mass percentage] 0.4693(1/(14+1+1+1))= 0.0276 ... Nitrogen trichloride can form in small amounts when public water supplies are disinfected with monochloramine, and at given levels it can irritate mucous membranes. Nitrogen deposition occurs in gaseous form close to the source (dry deposition) or through rainfall (wet deposition), often many miles from the original ammonia source. Example Problem: 0.1688 g when analyzed by the Dumas method yield 31.7 mL of moist nitrogen measured at 14º C and 758 mm mercury pressure. You can study other questions, MCQs, videos and tests for Class 9 on EduRev and even discuss your questions like Can you explain this answer? Dec 19,2020 - The percentage of nitrogen in ammonia is given by the expression :-a)14 x 100/17b)(3/17 x 100)c)4x 100/34d)3/34 x 100Correct answer is option 'A'. 22.4 L of N 2 at STP weigh 28gof N 2 . Question bank for Class 9 community, EduRev has the largest solved Question bank for Class 9 Question disucussed. Other compounds by micro-organisms in soil accounts for only 2 % of the unreacted nitrogen and hydrogen, overall... Figure also varies from plant to plant. community that depends on everyone being able pitch. 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