please answer the question in the boxes . Verizon LTE 1:25 PM 10 * 70% Question...
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
. Verizon LTE 14:34 1 83% Question 17 of 37 Submit Aluminium has a density of 2.70 g/cm² How many block of the moles of aluminum are in a 13.2 cm metal substance? STARTING AMOUNT ADD FACTOR ANSWER RESET 26.98 1.32 cm 35.6 962 g/cm3 13.2 0.489 g Al 0.100 molecules Al 6.022 x 1023 mol Al 2.70 g Al/mol
9:08 LTE Question 18 of 23 Submit How many milliliters of Co gas would be produced by the complete reaction of 2.40g of Cat STP according to the following reaction? Remember 1 mol of an ideal gas has a volume of 22.4 L at STP C(s) + H2O(g) → CO(g) + H2(g) STARTING AMOUNT ADD FACTOR ANSWER 4.48 8.92 g/mol có mL CO 22.4 4480 molc 1920 mol CO 0.001 2.40 LCO 28.01 1000 gCO 6.022 x 1023 gC 12.01...
9:08 LTE Question 17 of 23 Submit How many moles of NHs form when 32.4 L of Ha gas completely reacts at STP according to the following reaction? Remember 1mol of an ideal gas has a volume of 22.4 Lat STP Na (g)3 H2(g)2 NHs(g) х STARTING AMOUNT ADD FACTOR ANSWER RESET mol Ha L NH 2 0.964 22.4 g/mol Hz 32.4 0.482 L H2 6.022 x 1023 16.4 mol NH3 2.02 17.03 g NH g/mol NH 1.45 4.34 g...
6:39 < Question 6 of 10 Submit What is the mass in grams of KBr in 0.400 of a 0.350 M solution? STARTING AMOUNT ADD FACTOR ANSWER RESET 6.022 x 1023 0.350 0.400 M KBr 39.10 0.140 g KBr 16.7 mL 119 g KBr/mol 5.47 mol KBT 136 Tap here or pull up for additional resources
6:24 < Question 5 of 10 Submit What volume in L of a 0.724 M Nal solution contains 0.405 mol of Nal STARTING AMOUNT ADD FACTOR ANSWER RESET 22.99 1.79 L 559 0.293 g Nal 148.89 mol Nal 0.405 0.724 g Nal/mol 0.559 M Nal 126.90 ml 6.022 x 1023 Tap here or pull up for additional resources
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 11:00 PM 19%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) 4 meter 1.34 x 103 sor 3 STARTING AMOUNT 4 mol Cr 2 mol Cros - 1.68 x 103 molecules Cryo, 1.34 x 10° 0 x *3 g 02 * 1 mol Cr ADD FACTOR DELETE ANSWER RESET 1.34 x...
2:06 LTED Question 10 of 20 Submit How many liters of a 0.209 MKI solution is needed to completely react with 2.43 g of Cu(NO3)2 according to the balanced chemical reaction: 2 2 Cu(NO3)2(aq) + Cul(aq) + 12(s) + 4 4 Kl(aq) → KNO3(aq) STARTING AMOUNT ADD FACTOR ANSWER RESET 2.43 2 0.124 6.022 x 1023 187.57 0.00542 0.0310 0.0620 0.209 166 4 Tap here or pull up for additional resources
2:05 .. LED < Question 5 of 20 Submit How many grams of a solution that is 5.2 % sucrose by mass are needed to obtain 18 g of sucrose STARTING AMOUNT ADD FACTOR ANSWER RESET Oo o 0.0094 0.052 g sucrose 5.2 g solution 94 0.94 %m sucrose 6.022 x 1023 3.5 100 18 350 Tap here or pull up for additional resources