Question

if 1.97 x10^23 molecules of a substance have a mass of 5.73 grams what is the...

if 1.97 x10^23 molecules of a substance have a mass of 5.73 grams what is the molar mass of the substance?

Science   Chemistry   
0 0
Add a commentTranscribed image text
Next >

Homework Answers

Answer #1

1.97 x10^23 molecules mass = 5.73 grams then

6.023 X 10^23 (1 mole) molecules mass = (5.73 X 6.023 X 10^23)/1.97 x10^23

                                                  = 17.5 grams.

molar mass of the substance = 17.5 grams.

0 0
Know the answer?
Your Answer:

Post as a guest

Your Name:

What's your source?

Earn Coins

Coins can be redeemed for fabulous gifts.

Log In

Sign Up

Not the answer you're looking for?
Ask your own homework help question
Similar Questions
What is the mass of 9.09x10^23 atoms of fluorine? grams What is the mass of 8.18x10^23...
What is the mass of 9.09x10^23 atoms of fluorine? grams What is the mass of 8.18x10^23 molecules of fluorine? grams
7.95 x 1023 (7.95e+23) molecules of ammonia (NH3) is what mass in grams?
7.95 x 1023 (7.95e+23) molecules of ammonia (NH3) is what mass in grams?
what is the mass in grams of 1.75*10 20 molecules of caffeine, C8H10N4O2 ?
what is the mass in grams of 1.75*10 20 molecules of caffeine, C8H10N4O2 ?
Calculate the mass (in grams) of each sample. 3.9×1025 O3 molecules 4.46×1019 CCl2F2 molecules 9 water...
Calculate the mass (in grams) of each sample. 3.9×1025 O3 molecules 4.46×1019 CCl2F2 molecules 9 water molecule(s) Determine the number of moles of oxygen atoms in each of the following. 2.28×10−2 mol H2CO3 Give the name from the formula or the formula from the name for each of the following hydrated ionic compounds. Zn3(PO4)2⋅3H2O iridium(III) bromide tetrahydrate BeCrO4⋅5H2O aluminum nitrate dihydrate What mass (in grams) of iron(III) oxide contains 67.3 g of iron? Iron(III) oxide is 69.94% iron by mass.
1. How many grams of fructose (molar mass = 180.16 g/mol) are there in 7.240 x...
1. How many grams of fructose (molar mass = 180.16 g/mol) are there in 7.240 x 1024 fructose molecules? 2. How many grams is 5.584 moles of Cu3(PO4)2?
Five moles of nitrogen molecules have a mass of 140.07 g. What is the mass of...
Five moles of nitrogen molecules have a mass of 140.07 g. What is the mass of 10 atoms of nitrogen?
3. calculate the following quantities a. mass in grams of 1.223 mol Fe2(SO4)3 b. moles of...
3. calculate the following quantities a. mass in grams of 1.223 mol Fe2(SO4)3 b. moles of NH4+ ions in 6.995 g of (NH4)2CO3 c. mass in grams of 7.70 x 10^20 molecules of aspirin , C8H10N4O2 d. molar mass of diazepam if 0.05570 mol has a mass of 15.85 g 4.determine the empirical and molecular formulas a. ibuprofen contains 75.69% C, 8.80% H, and 15.51% O mass. It has a molar mass of 206 g/mol. b. Cadaverine contains 58.55% C,...
1.) Mass (in grams) of 1.50×10−2 mol of CdS. 2.) Number of moles (n) of NH4Cl...
1.) Mass (in grams) of 1.50×10−2 mol of CdS. 2.) Number of moles (n) of NH4Cl in 86.6 g of this substance. 3.) Number of molecules in 8.487×10−2 mol  C6H6. 4.) Number of O atoms in 7.25×10−3 mol Al(NO3)3.
2 A(s) + B ------> C + 2 D Use 44 grams/mole as the molar mass...
2 A(s) + B ------> C + 2 D Use 44 grams/mole as the molar mass of D and 36 grams/mole as the molar mass of A and 58 grams/mole as the molar mass of B. If 27 mL of 6.0 M B is needed to react with all of the A, how many grams of D is formed? What mass of A reacted? What is the Molarity of A if 21.4 mL of 0.355M B is required to neutralize...
2 A(s) + B ------> C + 2 D Use 44 grams/mole as the molar mass...
2 A(s) + B ------> C + 2 D Use 44 grams/mole as the molar mass of D and 36 grams/mole as the molar mass of A and 58 grams/mole as the molar mass of B. If 27 mL of 6.0 M B is needed to react with all of the A, how many grams of D is formed? What mass of A reacted? What is the Molarity of A if 21.4 mL of 0.355M B is required to neutralize...
ADVERTISEMENT
Need Online Homework Help?

Get Answers For Free
Most questions answered within 1 hours.

Ask a Question
ADVERTISEMENT