Question
please answer the question in the boxes
. Verizon LTE 1:25 PM 10 * 70% Question 7 of 18 Submit What is the mass in grams of NaCN in 120.0 mL of a 2.40 x 10-5 M solut
. Verizon LTE 20 * 70% Personal Hotspot: 1 Connection Question 6 of 18 Submit What is the number of moles of glucose (CsH1206
0 0
Add a comment Improve this question Transcribed image text
✔ Recommended Answer
Answer #1

Concentration of NaCN solution = 2.40x10-M Volume of the solution = 120 mL molar mass of NaCN = 49.01 g/mol Mass of NaCN = 12

Add a comment
Know the answer?
Add Answer to:
please answer the question in the boxes . Verizon LTE 1:25 PM 10 * 70% Question...
Your Answer:

Post as a guest

Your Name:

What's your source?

Earn Coins

Coins can be redeemed for fabulous gifts.

Similar Homework Help Questions
  • Verizon LTE 14:34 183% Question 18 of 37 Submit A 52-kg woman has 7.2x 10-3 mol...

    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...

    . 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...

    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...

    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...

    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...

    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...

    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...

    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...

    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...

    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

ADVERTISEMENT
Free Homework Help App
Download From Google Play
Scan Your Homework
to Get Instant Free Answers
Need Online Homework Help?
Ask a Question
Get Answers For Free
Most questions answered within 3 hours.
ADVERTISEMENT
ADVERTISEMENT
ADVERTISEMENT