Part C How many aluminum atoms are in 3.78 g of aluminum? Express your answer in...
Part A Calculate the mass of 1.23 x 1024 helium atoms. Express your answer in grams of helium. Vo ΑΣΦ mass of He atoms g He Submit Request Answer Part B Determine the number of atoms in a 48.3-g sample of zinc. Express your answer in zinc atoms using scientific notation. ΑΣφ Zn atoms Submit Request Answer
Part A How many aluminum atoms are in 3.16 g of aluminum? IVO AD O ? N = Al atoms Submit Request Answer
Problem 2.51 How many hydrogen atoms are in each of the following C2 HOH Express your answer as an integer. Πνα ΑΣφ x.10 C,H,OHI hydrogen atoms Previous Answers Submit Request Answer x Incorrect; Try Again; 3 attempts remaining The correct answer does not depend on: C, Hs, OH, Part B Ca(CH3COO) Express your answer as an integer. aνα ΑΣφ VA 7 hydrogen atoms Request Answer Submit Part C NHH2PO Express your answer as an integer.
mpleting Part C 1.8 x 1023 lead atoms Express the mass in grams to two significant figures. VO Aydo Submit My Answers Give Up Part D 7.6 x 1021 uranium atoms Express the mass in grams to two significant figures. Submit My Answers Give Up Provide Feedback Continue
Submit Request Answer Part C 60.0 g of Na2CO3 in 289.0 g of Na2CO3 solution Express your answer using two significant figures. Vo ΑΣΦ DET ? m/m = Submit Request Answer ovide Feedback
Part A How many sulfur molecules are there in 0.570 mol of octasulfur, Sg? Express your answer to three significant figures. IVO AEO ? molecules Submit Request Answer Part B How many sulfur atoms are there in 0.570 mol of octasulfur, S8? Express your answer to three significant figures. ΑΣφ ? atoms
Part A How many sulfur atoms are there in 5.30 mol of sulfur? Express your answer using three significant figures. νο ΑΣφ 5 ? N= atoms Reguest Answer Submit Provide Feedback P Pearson yright O 2019 Pearson Education Inc. All rights reserved. I Terms of Use I Privacy Policy I Permissions 1 Contact L next hp
Part C How many grams of H, are needed to produce 13.93 g of NH3? Express your answer numerically in grams. View Available Hint(s) IVO AQ * O 2 ? g H2 Submit Previous Answers X Incorrect; Try Again; 4 attempts remaining Part D How many molecules (not moles) of NH3 are produced from 7.02x10-4 g of H2? Express your answer numerically as the number of molecules. ► View Available Hint(s) VO AQ R o 2 ? |
How many atoms of copper are present in a 4.8 g sample of copper metal? Express your answer to two significant figures. TIP: To report an answer in scientific notation, enter it using the format "2.3E4", which means "2.3 x 104" (without the quotation marks)
Identify each of the following atoms or ions: Part A 2 3 pt 4n Express your answer as a chemical symbol or as an ion. ΑΣφ ? Submit Request Answer Part B 0e Type here to search Revie Identify each of the following atoms or ions: 0. 1pt Express your answer as a chemical symbol or as an ion. ΑΣΦ ? Submit Request Answer Part C 3e 3p 4n Problem 6.98 3 of 30 Review Constants Periodic T Identify each...