Participate in learning and knowledge sharing. 4 gm of hydrogen. 1mol of water (H2O) contains 1×NA atom of oxygen. Among the following samples, select the sample which contains maximum number of atoms. A. Which one is heavier ? Raunak took 5 moles of carbon atoms in a container and Krish also took 5 moles of sodium atoms in another container of same weight. O2 C) 1.0 gmO3. Become a member and unlock all Study Answers Try it risk-free for 30 days 6. ... 1 mole of which of the following will contain the largest number of atoms? No. of moles (n) = 28/28. The biggest amount of oxygen is in "5,06" × 10^"-3" mol. And so if we gots a mole of sulfur trioxide molecules we gots 3*molxx6.022xx10^23*mol^-1 "oxygen atoms"... i.e. The maximum number of electrons allowed in the p sublevel of the third principal level is 6 1s22s22p63s23p64s23d2 is the electron configuration for which of the following atoms? (b) Whose container has more number of atoms? While the maximum number of electrons required to fill the outermost shell of an atom varies depending on the size of the atom, almost all of the smaller atoms (atomic numbers 2-20) are considered stable, and thus nonreactive, when they contain _____ electron(s) in the outermost shell. Hence, in 0.5 mol, we have 1.5 mol of oxygen atoms. No. So it looks like scenario 2 is the winner. How many moles of oxygen atoms are present in the sample? (c) 28g of N2. Meaning of N formula units Fe4[Fe(CN) 6]3. From the formula, we can see that in 1 mol of CaCO3, 3 mol of oxygen atoms are present. Available for CBSE, ICSE and State Board syllabus. Which of the following element contains the greatest number of atoms. 4 L of oxygen at S.T.P. Number of oxygen atoms in solution = 1.11 × Avogadro’s number = 1.11 × 6.022 ×10” 23 = 6.68 × 10 23. Which of the following has maximum number of atoms ? 6.022X10^23 atoms of an element It has twice as many oxygen than carbon atoms. ... Each p-subshell can accommodate a maximum of _____ electrons. Answer: Let's convert given data into no. (b) 16g of O2. [NONE OF THESE] 7 people answered this MCQ question is the answer among NONE OF THESE for the mcq Which of the following contains maximum number of atoms B. Class-XI Chemistry Some Basic Concepts of Chemistry. Furthermore, since the MM of SO_3 is 80.1 g/mol you have (0,0553 g)/(80.1 g/(mol)) = 6,90 xx 10^(-4) mol SO_3. The difference in the mass of 100 moles each of sodium atoms and sodium ions is 5.48002 g. In photosynthesis, 6 molecules of carbon dioxide combine with an equal number of water molecules through a complex series of reactions to give a molecule of glucose having a molecular formula C6H1206. Well, 3xxN_A "oxygen atoms..." Where N_A-="Avogadro's number"-=6.022xx10^23*mol^-1. contain two Oxygen atoms. So in your question, $\pu{1.3 mol}$ of $\ce{H2SO4}$ means that you have $1.3 \times 6.022 \times 10^{23}$ molecules of $\ce{H2SO4}$, each of which contains one sulphur atom, two hydrogen atoms and four oxygen atoms. The molecular formula of CaCO3 is 40+12+(16)3= 100 Hence, we have 50/100= 0.5mol of CaCO3. the number 1,000,000 or the number 0.5. I. Mg(NO)2 I. NH,NO, I. Ca(CIO2)2 IV. Which of the following contains maximum number of molecules? as the formula of oxygen is O2 and also One mole of SO2 contains two moles of Oxygen. Offered for classes 6-12, LearnNext is a popular self-learning solution for students who strive for excellence, Calculate the number of moles , molecules, and atoms in 11.2l of hydrogen at STP. Raunak took 5 moles of carbon atoms in a container and Krish also took 5 moles of sodium atoms in another container of same weight. Hence, in 1.4 moles of {eq}\mathbf{SO_3} {/eq}, there is the largest number of oxygen atoms. Which of the following has maximum number of atoms? The number of atoms present in one mole of an element is equal to Avogardo number. Enter the number of electrons in each energy level (shell) for the following elements. KCET 2007: Which one of the following has maximum number of atoms of oxygen ? And scenario 3 and 4 contain too many oxygen atoms to fulfil your given criterion. Obviously, there are more oxygen atoms in SO_3. NCERT Solutions of Ch 3 Atoms and Molecules Class 9th Science. 1 mol of sucrose ( C12H22O11) contains = 11× NA atoms of oxygen, where NA = 6.023×1023 0.01 mol of sucrose (C12 H22 O11) contains = 0.01 × 11 × NA atoms of oxygen = 0.11× NA atoms of oxygen = 18 g/(1x2+ 16)gmol-1 =18 g /18 gmol-1 = 1mol 1mol of water (H2O) contains 1×NA atom of oxygen Total number of oxygen atoms = O-atom b) 1.0 gm. Solution for Which of the following formulas contain the same number of oxygen atoms? A sample of vitamic C is known to contain 2.58 ×10 24 oxygen atoms. A 5.91 g unknown sample analyzed by elemental analysis revealed a composition of 37.51 % C. In addition, it was determined that the sample contains 1.4830 x 1023 hydrogen atoms and 1.2966 x 1023 oxygen atoms. Which of the following contains maximum number of molecules ? of moles (n) = 16/32. Ambati. A sample of vitamin C is known to contain 2.58 x 1024 oxygen atoms. Which of the following contains maximum number of oxygen atoms? (a) 1 g C0 2 (b) 1 g N 2 (c) 1 g H 2 (d) 1 g CH 4 Answer: Question 8: Answer: (a) Mass of 6.023 x 10 23 atoms of oxygen = gram atomic mass of oxygen Mass of 6.023 x 10 23 atoms of oxygen = 16g Which of the following contains maximum number of oxygen atoms? B) Atoms of inert elements are nonreactive because the number of electrons is equal to the number of protons. Solution : (A) 22.4 L of at STP 1 mol of mol of N
Statement-2 : Both contain 1g atoms of carbon which contains carbon atoms. C) Atoms of inert elements are nonreactive because the innermost electron shell contains the minimum number of electrons possible. May 13, 2014. Calculate the molality and mole fraction of solute in an aqueous solution of glucose containing 18g of glucose (C6H12O6) in 500g of water. Since a mol is 6,02 xx 10^23 molecules, you have (3,65 xx 10^20)/ (6,02 xx 10^23)= 6,06 xx 10 ^(-4) mol each of SO_2 and SO_3. The mole is basically just a large number that you can use instead of e.g. Compute the difference in masses of one mole each of aluminium atoms and one mole of its ions (Mass of an electron is 9.1 x 10-28 g). A change in the physical state can be brought about It may help to refer to the periodic table. A sample of vitamin C is known to contain 2.58 x 1024 oxygen atoms. (A) 2 g of water (B) 2 g of sulphur dioxide (C) 2 g of carbon dioxide (D and also, The amount of oxygen in one mole of O2 is same as that in one mole of SO2. The oxidation state, sometimes referred to as oxidation number, describes the degree of oxidation (loss of electrons) of an atom in a chemical compound.Conceptually, the oxidation state, which may be positive, negative or zero, is the hypothetical charge that an atom would have if all bonds to atoms of different elements were 100% ionic, with no covalent component. And in the second scenario we gots #6.022xx10^23*mol^-1xx2xx0.75*mol# #"oxygen atoms"=9.0xx10^23*"oxygen atoms"#. By formula n=m/M. 10. 1024 oxygen atoms peroxide and superoxide of alkali metals increases as we down. Submit details below for a call back largest number of atoms days which of following. Fulfil your given criterion NO3 ) 2 I. NH, NO, I. 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