Verizon 11:00 PM 19%D Question 6 of 10 Submit Determine the number of molecules of Cr2O3...
Verizon 8:58 PM 1%D * Question 6 of 10 Submit Determine the number of molecules of Cr2O3 that form when 1.34 x 103 g of oxygen completely reacts according to the following equation: 4 Cr(s) + 3 02(g) → 2 Cr2O3(s) STARTING AMOUNT ADD FACTOR ANSWER RESET - 1.34 x 103 4.24 x 103 g Cr 52.00 2.52 x 1025 mol Cr N| دی 32.00 3.78 x 1025 g 02 152.00 mol O2 6.022 x 1023 1.68 x 1025 g...
Verizon LTE 14:34 183% Question 18 of 37 Submit A 52-kg woman has 7.2x 10-3 mol of hemog lobin (molar mass =64456 g/mol) in her blood. How many hemoglobin molecules is this? х STARTING AMOUNT ADD FACTOR RESET ANSWER 7.2x 10-3 64456 g hemoglobin 6.022 x 1023 1.1 x 10-7 g/mol molecules hemoglobin 4.3x1021 460 mol hemoglobin 1.2x 10-26
Question 3 of 10 Submit Balance the following chemical equation (if necessary): Na3PO4(aq) + NiCiz (aq) → Ni3(PO4)2 (s) + NaCl(aq) Reset 30,2 Reset 60 @ 1 2 3 4 5 6 800 (s) 0 (g) (aq) Nis(POA)2 Nacı Na PO. Niclz • x H20 Question 4 of 10 Submit Balance the following chemical equation (if necessary): C3H6(g) + O2(g) + CO2(g) + H2O(g) Reset 30,2 Reset 60 @ 123460089 (aq) (s) CO2 (1) H20 (g) Oz CsHo • «...