WebThe atomic weight of Ca = 40.08 amu; thus, the molar mass = 40.08 g/mol, and one mol of Ca = 6.022 x 1023 Ca atoms. Mass of one Ca = 40.08 g 1 mol Ca = 23 1 mol 6.022 x 10 atoms = 6.6556 x 10-23 = 6.656 x 10-23 g/atom ... = 1.248 x 1021 = 1.2 x 1021 HCN molecules . 62 CHAPTER 3 3.7 The molecular weight of NH 4NO 3 = 80.05; thus, its … http://classes.kvcc.edu/chm120/solutions/chapter3.pdf
QUESTION 10 How many moles of Pb are in 4.71 x 10 2 Pb atoms?
Web1 mei 2024 · 1 Answer The first one. There are 6.022 x 10^23 atoms in a mole, so you divide 4.71 x 10^21 by 6.022 x 10^23. Source (s): I'm currently taking chem. Required … Web3.3 a. The atomic weight of Ca = 40.08 amu; thus, the molar mass = 40.08 g/mol, and one mol of Ca = 6.022 x 1023 Ca atoms. Mass of one Ca = 40.08 g 1 mol Ca = 23 1 mol … birthday ideas for 1 year old baby girl
Answered: How many molecules are in sample?… bartleby
WebAnswers. One mole of CH 4 reacts with 2 mol of O 2 to make 1 mol of CO 2 and 2 mol of H 2 O. 6.022 × 10 23 molecules of CH 4, 1.2044 × 10 24 molecules of O 2, 6.022 × 10 23 molecules of CO 2, and 1.2044 × 10 24 molecules of H 2 O. 2 mol of C 2 H 6 ⇔ 7 mol of O 2 ⇔ 4 mol of CO 2 ⇔ 6 mol of H 2 O. C 5 H 12 + 8O 2 → 5CO 2 + 6H 2 O; 4.4 ... WebMoles of pb = 0.00782 Step-by-step explanation Image transcriptions 23 6-02 2 X10 - I mole pb atoms pb atoms 21 4 0 71 X 10 Moles of pb 21 = 1 mole X 4 71X 10 6: 02 2X1023 = 0-00782 moles CS s Scanned with CamScanner 1 Attachment jpg Related Answered Questions Explore recently answered questions from the same subject … WebHow many moles of Pb are in 4.71 x 1021 Pb atoms? Calculate the number of lead (Pb) atoms in 6.03 moles of lead. What is the mass in kilograms of 5.50 x 1025 atoms of lead? What... birthday ideas for 17 year old girl