B/ Compound which is composed of 57.14% C, 6.16% H, 9.52% N, 27.18% O by mass and has a molar mass of 294.3 g/mol. What is Molecular formula of this compound (At. Wt C=12, H=1, O=16, N=14).
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- Lysine is an amino acid which has the following elemental composition: C, H, O, N. Inone experiment, 2.175 g of lysine was combusted to produce 3.94 g of CO2 and 1.89 gH2O. In a separate experiment, 1.873 g of lysine was burned to produce 0.436 g of NH3.The molar mass of lysine is approximately 150 g/mol. Determine the empirical andmolecular formula of lysineWrite the empirical formula for the hydrated KAl(SO4)2, based on moles of anhydrous KSI(SO4)2= 0.046 mol molar mass of H2O= 18g/ mol moles of H2O= 0.0444mol ratio pf moles H20 to moles of anhydrous KAI(SO4)2= 9.65/1 . Show all work including units. Hint: if the ratio of moles of H2O to moles of anhydrous KAl(SO4)2 was 4, then the empirical formula would be: KAl(SO4)2•4H2O.A sample of an industrial waste water is analyzed and found to contain 16.5ppb Fe2+. How many grams of iron could be recovered from 1.81×103 kg of this waste water? Answer:_______ grams Fe
- 0.004 C8H7NO3, 15mL ethanol, 0.002mol NaBH4 was used. HCl was used to acidify. It was then extracted with ether. Then it was dried and a mass of 0.32g was obtained. What is the balanced equation of this synthesis, and what is the limiting reagent?Consider a blend of mass 5g formed from 2.2 g of C12H24 and 2.8g of C998H1000 paraffin's:, What are Mn and Mw of the blend?Clayton akers has inhaled an estimate 6.00 * 10 to the 21th power molecules of 02 before delivering his fastball. How many moles of 02 is this?
- One mole of a compound weighs 2.93x10-22. Determine the molar mass (g/mol). Group of answer choices 134g/mol 176g/mol 122g/mol 22.7g/molCompound "X" has a density of 1.71 g/L at 755 mm Hg and 25 °C. What is the molar mass of compound X? If compound X is made up of 85.7% C and 14.3% H, what is its molecular formula?. Menthol (molar mass = 156.30g/mol), contains carbon, hydrogen, and oxygen. When 0.1595g of menthol is combusted, 0.449g of CO2 and 0.184g of H2O are formed. Determine the molecular formula of menthol.
- Carbon dioxide emissions associated with a one-night stay in a hotel room are calculated at 28.98 kg of CO2 per room day for an average hotel. The 250 rooms of your hotel are all occupied for two days during a college football game. How much CO2 did the guests and hotel release into the atmosphere? Round your answer to the nearest whole number. kgsPlease display on how to do the problem step by step: (Please write clearly) Combustion of 8.732 mg of an unknown organic compound gave 16.432 mg of CO2and 2.840 mg of H2O. (a) Find the wt% of C and H in the substance. (b) Find the smallest integer mole ratio of C:H in the compound.Please display on how to do the problem step by step: Combustion of 8.732 mg of an unknown organic compound gave 16.432 mg of CO2and 2.840 mg of H2O. (a) Find the wt% of C and H in the substance. (b) Find the smallest integer mole ratio of C:H in the compound.