2) Caffeine’s formula is C8H10N4O2, how many moles are in 345.0 grams of caffeine? (2) 3)...

Question

Question

2) Caffeine’s formula is C8H10N4O2, how many moles are in 345.0 grams of caffeine? (2) 3)...

2) Caffeine’s formula is C8H10N4O2, how many moles are in 345.0 grams of caffeine? (2)

3) How many molecules of caffeine are present in this sample? (2)

4) What is the total number of atoms in this sample of caffeine? (2)

Use dimensional analysis to solve all stoichiometric calculations. Round answers to the correct # of significant figures.

science chemistry

Add a comment Improve this question Transcribed image text

Answer 1

Answer #1

Add a comment

Answer 2

Similar Homework Help Questions

How many carbon atoms are found in a 5.0 g sample of caffeine (C8H10N4O2)?

How many carbon atoms are found in a 5.0 g sample of caffeine (C8H10N4O2)?
Solve the following problems. 1. Convert 9.30 moles CH, to grams. 9. 30 2. Convert 38.0...

Solve the following problems. 1. Convert 9.30 moles CH, to grams. 9. 30 2. Convert 38.0 grams CaCl, to moles. 3. Convert 3.00 moles NH, to molecules. 4. Convert 2.08 x 10" formula units KCIO, to moles. DO 5. Convert 2.20 x 10” molecules of CH3COOH to grams. 6. Convert 25.3 grams of Ca (AsO4)2 to formula units. 7. How many atoms of As are present in 56 grams of Ca (Asoch 8) How many molecules are present in 139...
A. How many moles of silicon dioxide, SiO2 , are present in a sample that contains...

A. How many moles of silicon dioxide, SiO2 , are present in a sample that contains 3.61 moles of oxygen atoms? B. How many moles of oxygen atoms are present in a sample that contains 2.95 moles of SiO2 ? C. How many moles of sulfur atoms are present in a sample that contains 1.92 moles of disulfur decafluoride, S2F10 ? D.How many moles of S2F10 molecules are present in a sample that contains 6.13 moles of sulfur atoms? E....

1. What is the mass of 1.55x1024 atoms of calcium? grams 2. How many calcium atoms...

1. What is the mass of 1.55x1024 atoms of calcium? grams 2. How many calcium atoms are there in 33.4 grams of calcium? atoms 1. How many MOLECULES of nitrogen dioxide are present in 1.57 grams of this compound? molecules. 2. How many GRAMS of nitrogen dioxide are present in 2.77x1022 molecules of this compound? grams. 1. How many GRAMS of chromium(III) bromide are present in 2.83x1022 formula units of this compound? grams 2. How many formula units of chromium(III)...
2b. A bottle of Monster Energy Drink is this? contains 160 milligrams of caffeine. How many...

2b. A bottle of Monster Energy Drink is this? contains 160 milligrams of caffeine. How many moles of caffeine 2c. How many molecules of caffeine are present in a bottle of Monster Energy Drink 2d. How many nitrogen atoms are present in a bottle of Monster Energy Drink ?
a)The molecular formula of fructose is C6H12O6 how many moles of fructose are in a sample...

a)The molecular formula of fructose is C6H12O6 how many moles of fructose are in a sample containing 1.43x10^24 molecules of fructose? b)The molecular formula of fructose is C6H12O6 how many moles of carbon are in a sample containing 1.43x10^24 molecules of fructose? c) The molecular formula of fructose is C6H12O6 how many atoms of carbon are in a sample containing 6.23 moles of fructose? d)The molecular formula of fructose is C6H12O6 how many moles of fructose are in a 10.00g sample...

How many total atoms are in 0.170 g of P2O5? How many moles of Fe2O3 are...

How many total atoms are in 0.170 g of P2O5? How many moles of Fe2O3 are in 211 g of the compound? For the given elements, convert the given mole amounts to grams. How many grams are in 0.0464 moles of sodium? How many grams are in 0.250 moles of cobalt? How many grams are in 0.790 moles of selenium? Calculate the number of atoms in a 5.49 × 103 g sample of lithium. How many moles of MgS2O3 are...
1. How many moles of Cs are there in a sample that contains 3.17×1022cesium atoms? 2....

1. How many moles of Cs are there in a sample that contains 3.17×1022cesium atoms? 2. How many cesium atoms are there in a sample that contains 3.69 mol of Cs? 3. How many moles of Kr are there in a sample that contains 3.23×1022krypton atoms? 4. How many krypton atoms are there in a sample that contains 1.14 mol of Kr? 5. What is the mass of 1.38×1024atoms of magnesium ? 6. How many magnesium atoms are there in...
1-Calculate the mass in grams of 2.55 moles of KCl 2- Calculate how many moles are...

1-Calculate the mass in grams of 2.55 moles of KCl 2- Calculate how many moles are in 2.00x1020 molecules of CO2 3- How many atoms of H are there in 1.00x1019 molecules of NH3

How many grams of carbon atoms are present in a sample of C3H8 if there are...

How many grams of carbon atoms are present in a sample of C3H8 if there are 8.70 moles of hydrogen atoms in the sample? Enter your answer with the correct number of sig figs.

2) Caffeine’s formula is C8H10N4O2, how many moles are in 345.0 grams of caffeine? (2) 3)...

Homework Answers

Add Answer to:
2) Caffeine’s formula is C8H10N4O2, how many moles are in 345.0 grams of caffeine? (2) 3)...

Post as a guest

Earn Coins

How many carbon atoms are found in a 5.0 g sample of caffeine (C8H10N4O2)?

Solve the following problems. 1. Convert 9.30 moles CH, to grams. 9. 30 2. Convert 38.0...

A. How many moles of silicon dioxide, SiO2 , are present in a sample that contains...

1. What is the mass of 1.55x1024 atoms of calcium? grams 2. How many calcium atoms...

2b. A bottle of Monster Energy Drink is this? contains 160 milligrams of caffeine. How many...

a)The molecular formula of fructose is C6H12O6 how many moles of fructose are in a sample...

How many total atoms are in 0.170 g of P2O5? How many moles of Fe2O3 are...

1. How many moles of Cs are there in a sample that contains 3.17×1022cesium atoms? 2....

1-Calculate the mass in grams of 2.55 moles of KCl 2- Calculate how many moles are...

How many grams of carbon atoms are present in a sample of C3H8 if there are...

2) Caffeine’s formula is C8H10N4O2, how many moles are in 345.0 grams of caffeine? (2) 3)...

Homework Answers

Add Answer to: 2) Caffeine’s formula is C8H10N4O2, how many moles are in 345.0 grams of caffeine? (2) 3)...

Post as a guest

Earn Coins

Add Answer to:
2) Caffeine’s formula is C8H10N4O2, how many moles are in 345.0 grams of caffeine? (2) 3)...