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< Question 10 of 10 Submit How many moles of HCl are there in 75.0 mL...
< Question 7 of 10 Submit How many moles of CH3OH are there in 57.7 mL of 0.400 M CH3OH? mol 1 4 2 5 3 6 + x 100 Tap here or pull up for additional resources
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
how many mmHg are in 100.6 kpa < Question 1 of 23 Submit How many mmHg are in 100.6 kPa? mmHg 1 2 3 +/- o x100 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
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
How many moles of NaOH need to be added to 200.0 mL of a 0.200 M solution of HF to make a buffer with a pH of 2.70? (ka for HF is 6.8 x 10-4) mol 1 | 2 | 3 7 8 9 +/- x 100 Tap here or pull up for additional resources
Question 9 of 23 Submit How many moles of chlorine gas at 120. °C and 33.3 atm would occupy a vessel of 33.0 L? mol 1 2 3 +/- 0 x 100 Tap here or pull up for additional resources
Question 8 of 10 Submit What is the concentration of a solution made with 0.450 moles of KOH in 400.0 mL of solution? 1 2 3 +/- x 100 Tap here or pull up for additional resources
< Question 6 of 36 Submit Which of the following sets of quantum numbers can describe a 3p electron? A) n = 1, $ = 3, ml = 1 B) n = 3, l = 2, ml = 1 C) n = 3, l = 1, ml = 1 D) n = 3, l = 0, ml = 1 E) n = 2, l = 3, ml = 1 Tap here or pull up for additional resources