We need at least 10 more requests to produce the answer.
0 / 10 have requested this problem solution
The more requests, the faster the answer.
2b. A bottle of Monster Energy Drink is this? contains 160 milligrams of caffeine. How many...
One 16-ounce bottle of an energy drink has an average of 400 mg of caffeine with a standard deviation of 20 mg. What is the probability that the average caffeine in a sample of 25 bottles is no more than 395 milligrams? a) 0.05 b) 0.11 c) 0.16 d) 0.22
How many hydrogen atoms are in 1.057 milligrams of caffeine (C8H10N4O2)?
One 8-oz serving each of coffee, energy drink, and soda contains 199 mg of caffeine. One serving of coffee has 5 mg more caffeine than two servings of soda. One serving of energy drink contains 39 mg less caffeine than one serving each of coffee and soda. Find the amount of caffeine in one serving of each beverage. The amount of caffeine in one serving of coffee is mg, in one serving of energy drink is mg, and in one...
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.
A. How many molecules are present in a sample of this compound that contains 2.98 moles of 2-methyl-1-butanol? B. How many moles of 2-methyl-1-butanol are present in a sample of this compound that contains 7.15x10^22 carbon atoms? C. How many carbon atoms are present in 1.48 moles of this compound (pentanal)? D. How many moles of pentanal are present in 1.82x10^22 molecules of this compound?
1. How many MOLECULES of boron tribromide are present in 4.37 moles of this compound ? molecules. 2. How many MOLES of boron tribromide are present in 6.07×1022 molecules of this compound ? moles. 1. How many ATOMS of nitrogen are present in 1.22 moles of nitrogen trifluoride ? atoms of nitrogen. 2. How many MOLES of fluorine are present in 1.64×1022 molecules of nitrogen trifluoride ? moles of fluorine.
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....
How many grams of Si are there in a sample of Si that contains 3.53x1023 atoms? | grams 1. How many ATOMS of nitrogen are present in 3.23 grams of nitrogen trifluoride ? atoms of nitrogen. 2. How many GRAMS of fluorine are present in 1.28x1022 molecules of nitrogen trifluoride ? grams of fluorine . The percent by mass of magnesium in Mg(OH)2 %.
1. How many grams of O are there in a sample of O that contains the same number of moles as a 55.4 gram sample of Kr? 2. How many MOLECULES of nitrogen dioxide are present in 3.28 grams of this compound 3. . How many GRAMS of nitrogen dioxide are present in 7.63×1022 molecules of this compound
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...