KC6 The Mole by Denise https://padlet.com/torreden0021/cv896jrnspm8 Made with charm en-us 2018-05-15 18:59:23 UTC 2024-10-22 22:35:01 UTC hello@padlet.com 1. Avogadros number is: juvencioaragon45 https://padlet.com/torreden0021/cv896jrnspm8/wish/260991218 6.02x1023]]> 2018-05-15 19:13:08 UTC https://padlet.com/torreden0021/cv896jrnspm8/wish/260991218 2. How many atoms are in 1 mole of any element juvencioaragon45 https://padlet.com/torreden0021/cv896jrnspm8/wish/260992037 6.02x1023]]> 2018-05-15 19:15:17 UTC https://padlet.com/torreden0021/cv896jrnspm8/wish/260992037 5. What is the molar mass of Iron(II) phosphate, Fe(PO4)2? juvencioaragon45 https://padlet.com/torreden0021/cv896jrnspm8/wish/260992474 Fe=167.4 2 P=31 O=48 
357.4 g/mol]]> 2018-05-15 19:16:31 UTC https://padlet.com/torreden0021/cv896jrnspm8/wish/260992474 4. What is the molar mass of AgNO3? juvencioaragon45 https://padlet.com/torreden0021/cv896jrnspm8/wish/260993525 Ag=107.9 N=14 O=48
164.8 g/mol]]> 2018-05-15 19:19:31 UTC https://padlet.com/torreden0021/cv896jrnspm8/wish/260993525 3. The molar mass of K2CO3 is... juvencioaragon45 https://padlet.com/torreden0021/cv896jrnspm8/wish/260994768 K=78.2 C=12 O=48
138.2 g/mol]]> 2018-05-15 19:23:37 UTC https://padlet.com/torreden0021/cv896jrnspm8/wish/260994768 6) How many atoms are in one mole of hydrogen? hortenciogomez55 https://padlet.com/torreden0021/cv896jrnspm8/wish/260995391 6.02*1023 hydrogen atoms
 ]]> 2018-05-15 19:25:51 UTC https://padlet.com/torreden0021/cv896jrnspm8/wish/260995391 7) What is the number of moles in 55.8 grams of Fe? hortenciogomez55 https://padlet.com/torreden0021/cv896jrnspm8/wish/260996984 Fe = 55.8g
55.8g     1 mol   =    1 mol of Fe
1             55.8g

 
 
]]> 2018-05-15 19:32:07 UTC https://padlet.com/torreden0021/cv896jrnspm8/wish/260996984 8) Calculate the number of grams in 0.250 moles of NaCl. hortenciogomez55 https://padlet.com/torreden0021/cv896jrnspm8/wish/260997406 Na = 23g                                0.250 mol   58.5g    =  14.625g of NaCl
Cl = 35.5g                                     1            1 mol
Therefore, NaCl = 58.5g
   
 ]]> 2018-05-15 19:33:54 UTC https://padlet.com/torreden0021/cv896jrnspm8/wish/260997406 9) 1 mole C= martisam0071 https://padlet.com/torreden0021/cv896jrnspm8/wish/261352377 12g of C]]> 2018-05-16 18:48:10 UTC https://padlet.com/torreden0021/cv896jrnspm8/wish/261352377 12. Caculate the mass of 0.720 moles Ba torreden0021 https://padlet.com/torreden0021/cv896jrnspm8/wish/261352506 720 mol    137.3g           = 98.856
1              1 mole        ]]> 2018-05-16 18:48:32 UTC https://padlet.com/torreden0021/cv896jrnspm8/wish/261352506 10) 1 mole of C= martisam0071 https://padlet.com/torreden0021/cv896jrnspm8/wish/261353075 6.02x10^23]]> 2018-05-16 18:50:11 UTC https://padlet.com/torreden0021/cv896jrnspm8/wish/261353075 hortenciogomez55 https://padlet.com/torreden0021/cv896jrnspm8/wish/261353100 2018-05-16 18:50:16 UTC https://padlet.com/torreden0021/cv896jrnspm8/wish/261353100 11) The chemical formula of water is H20. What is the mass of 0.200 moles of water? martisam0071 https://padlet.com/torreden0021/cv896jrnspm8/wish/261353620 H=2.0                                 0.200mol       18g              
O=16.0                                                                     =3.6g of H20
                                             1               1mole
]]> 2018-05-16 18:51:42 UTC https://padlet.com/torreden0021/cv896jrnspm8/wish/261353620 13. Caculate the number of moles of MgCl2 that are in 5.0 grams MgCl2 torreden0021 https://padlet.com/torreden0021/cv896jrnspm8/wish/261354620 5.0      1 mol  = 0.052
1 95.3]]> 2018-05-16 18:54:35 UTC https://padlet.com/torreden0021/cv896jrnspm8/wish/261354620 14. How many atoms are present i n 0.856 mol of Au torreden0021 https://padlet.com/torreden0021/cv896jrnspm8/wish/261355767 0.856       6.02*10²³ = 5.15*10²³
1              1 mole ]]> 2018-05-16 18:57:27 UTC https://padlet.com/torreden0021/cv896jrnspm8/wish/261355767 15. What is the percent coposition of Oxygen in acetone, C₃H₆O torreden0021 https://padlet.com/torreden0021/cv896jrnspm8/wish/261356472 C= 12*3          16 ➗ 58  *  100 = 27%
H= 6 
O=16]]> 2018-05-16 18:59:35 UTC https://padlet.com/torreden0021/cv896jrnspm8/wish/261356472