5ml of water is used to extract NO ‐1 from A wet soil sample weighing 10 grams. Another sample of 10-gram soil sample is oven dried and found to weigh 5 grams when dry. The [NO ‐1] of the extract is determined to 5mg NO ‐1/ml. What is the NO ‐1 of the soil in the unit's mg of NO ‐1 /g dry soil?

Q: Two moles of thiosulfate reacts with one mole of triiodide according to the equation (Note:…

A: Here we are required to determine the rate of consumption of triiodide

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A: We have to calculate the mass of ethanol in the can

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Q: How do you prepare 5 liters of 50 mM CaCl2? From 1 Molar CaCl2?

A: Dilution formula  Suppose we have a stock solution of molarity M1 and volume V1 is diluted by adding…

Q: Determine the percent yield of the synthesis.  The % yield = 81.33 % The Theoretical Yield = 2.65g…

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A:

Q: Long-term exposure to inorganic arsenic (As) risks for skin, bladder, and lung cancers. Inorg baby…

A: Maximum allowance leve of As is 10 ppb.

Q: How many moles of NO2 would be required to produce 14.17 moles of HNO3 in the presence of excess…

A: Moles of HNO3=14.17mol 3NO2(g)+H2O(I)->2HNO3(g)+NO(g)

Q: Calculate the amount in grams of citric acid that you would need to complete the reaction for the…

A: To calculate the amount in grams of citric acid that we would need to complete the reaction for the…

Q: Use equivalent weights to calculate 81.00 mg/L calcium carbonate (CaCO3) in terms of mg/L as…

A: Equvalent wt=molecular wt/valency

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A:

Q: 11. Solid Aspirin (acetylsalicylic acid, C9H8O4) and aqueous acetic acid are products of a reaction…

A:

Q: A chemist prepares a solution of potassium chloride (KCI) by measuring out 75.7 mg of KCI into a…

A: Given Mass of kcl = 75.7 mg = 0.0757 g Volume of solution = 100ml = 0.1L

Q: In 2017, the atmospheric mixing ratio of CO2 is approximately 410 ppmv. In order to bring the…

A: Parts per million by volume is denoted as ppmv. It is given that 1 ppmv of CO2 = 2184.82 Tg…

Q: The following equation describes the oxidation and ethanol to acetic acid by potassium permanganate…

A: First we will find the limiting reagent and using the balance reaction we will calculate the…

Q: 1. How many milliliters of concentrated hydrochloric acid, 38% (wt/wt), specific gravity 1.19, are…

A: Since you have asked multiple question, we will solve the first question for you. If you want any…

Q: What mass of KBr (in grams) should you use to make 350.0 mL of a 1.10 M solution of KBr? Express the…

A: Given: Concentration of KBr =1.10M Volume = 350mL = 0.350 L

Q: Consider the following reaction: 6HCI + 2AI→ 2AICI3 + 3H2 Calculate the mass (in grams) of AICI3…

A:

Q: How many grams of nitrio acid HNO, are required to neutralize (completely react with) 4.30 o of…

A: Solution: First write the balanced equation for given reaction as shown below, In first step we…

Q: What is the amount concentration (in mol/L) of sodium ions and carbonate ions when a 0.144 mol/L…

A: Here given that  Concentration of Sodium carbonate  = 0.144 mol/L

Q: how many grams of nitrogen would be formed if 12.3g of ammonia was passed over 45.6g of copper(II)…

A: From the given equation and given data we have to estimate the amount of nitrogen .

Q: What mass of salt (NaCl) in grams (g) is required to prepare 4.647 L of D51/4NS solution? Give your…

A: D5 1/4 NS solution means D5 0.45 NS => 5% Dextrose in 0.225% Saline (D5 1/4NS)

Q: Mass of oleic acid (glyceryl trioleate)=3.978g Mass of soap (sodium oleate)=3.8954g Moles of Oleic…

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Q: You have an IV that needs MgSO4 (magnesium sulfate) 10 mEq. You have on hand a bottle of MgSO4 4…

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Q: How many moles of NO₂ would be required to produce 2.09 moles of HNO₃ in the presence of excess…

A: This question can be solved in the prior knowledge of the mole concept and stoichiometric ratios.

Q: 2. From the graph of Density vs. Concentration, created in Graph 1, what was the relationship…

A: According to the question, we are interested to know whether density is directly or indirectly…

Q: Given the following reaction: 2 H3PO4 (aq) + 3 Ca(OH)2 (aq) ⟶ Ca3(PO4)2 (s) + 6 H2O (l) How many…

A:

Q: Jessica A chemist prepares a solution of silver(I) nitrate (AgNO3) by measuring out 319. μmol of…

A:

Q: How many moles of NO2  would be required to produce 3.34 moles of HNO3 in the presence of exess…

A: Given data Number of moles of HNO3 = 3.34 moles Given reaction 3 NO2 (g) +H2O(I) → 2 HNO3 (g) +…

Q: 1) Consider the reaction below and find the limiting reagent and theoretical yield of aspirin when…

A: Given : Mass of salicylic acid = 2.6g Volume of acetic anhydride = 4ml

Q: How many moles of NO2 would be required to produce 5.47 moles of HNO3 in the presence of excess…

A: The given chemical reaction is 3NO2(g) +H2O(l) → 2HNO3(g) + NO(g) we are given that water is in…

Environmental Pollution

Environmental pollution occurs due to some unwanted alteration in the surroundings which results in unfavorable effects on all organisms of that surrounding.