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- How many grams F in 650.1 g Br2F6? Put the answer in the box in regular (non-scientific) notation. Use one figure past the decimal.Ocean water contains 3.3 %% NaClNaCl by mass. What mass of ocean water in grams contains 43.8 gg of NaClNaCl? Express your answer in grams to two significant figures.The amino acid methionine, which is essential in human diets, has the molecular formula C5H₁1 NO₂S. How many grams of O are there in 0.743 grams of methionine? Enter your answer accurate to three significant figures. Enter only numbers in your answer. (Do not include units.) Enter scientific notation as 1.23E4. Molar masses (in g mol¯¹): H, 1.008 C, 12.01 N, 14.01 O, 16.00 S, 32.07
- How many grams Fin 584.8 g Br2F6? Put the answer in the box in regular (non-scientific) notation. Use one figure past the decimal.Consider the reaction given below and answer the succeeding questions. Express all answers in proper significant figures. 3 TiO2 (s) + 4 C(s) + 6 Cl2(g) → 3 TiCl4(g) + 2 CO2(g) + 2 CO(g) Molar masses (MM): TiO2 (s) = 79.87; C(s) = 12.01; Cl2(g) = 70.91; TiCl4(g) = 189.68; CO₂(g) = 44.01; CO(g) = 28.01. 1. What mass of TiCl4 is produced by reacting 100.0 g TiO₂, 100.0 g Cl₂, and 100.0 g of C? g 2. How much of the reactant/s is/are left? g TiO₂, g C(s), g Cl₂ A 1.00 g sample containing NaHCO3 was dissolved in water and titrated using 0.500 M HCl. The sample solution required 12.5 mL of the titrant solution to reach endpoint. Assuming that only NaHCO3 reacts with HCI, how much NaHCO3 is present in the sample?How many C atoms are present in the sample of C3H3 with mass 7.11 g? Avogadro's number is 6.022 x 1023. Enter your answer using scientific notation and to three significant digits. C atoms
- Aqueous hydrobromic acid (HBr) will react with solid sodium hydroxide (NaOH) to produce aqueous sodium bromide (NaBr) and liquid water (H_2O). Suppose 47. g of hydrobromic acid is mixed with 38.5 g of sodium hydroxide. Calculate the minimum mass of hydrobromic add that could be left over by the chemical reaction. Be sure your answer has the correct number of significant digits.How many grams F in 584.8 g Br2F6? Put the answer in the box in regular (non-scientific) notation. Use cne figure past the decimal. urseIntroduction to Chemistry: Chemical Formulas as Formulas: Converting between Grams of a Compound and Gram of a Constituent Element. Iron is found in Earth's crust as several iron compounds. Calculate the mass (in kgkg) of each compound that contains 7.1×103 kg of iron. Given: Fe2O3 (hematite) Express your answer in kilograms to two significant figures. The answer : Mass = 1.1 x 104 kg But I don't know how it got here. I keep getting 4.9 kg for my answer. Converted it to kilograms also is a challenge for me. I know that 1 g = 1000 kg and that 1 kg = 0.001 g. But i'm not sure how to apply it.
- 4.8×1025 O3O3 molecules Express your answer using two significant figures. Calculate the mass in grams of each sample.The fuel used in many disposable lighters is liquid butane, C4H10C4H10. How many carbon atoms are in 2.00 gg of butane? Express your answer numerically in atoms.Nicotine is an alkaloid that is derived from tobacco plants that acts as a stimulant on the human nervous system. It has the molecular formula C10H14N2. Calculate its molar mass to 3 decimal places. You do not need to include units for this particular answer, which would otherwise be g/mol.