You have 50 mg of Niacin. How many moles and how many molecules of Niacin do you have? Make sure to show your work.

You have 50 mg of Niacin. How many moles and how many molecules of Niacin do...
3. If I have 5.50 moles of CH, how many molecules do I have?
Assume you have 150 grams of C4H8O How many…. Moles of Carbon do you have? Moles of Oxygen do you have? Moles of H2O could you make? Grams of H2O could you make? Grams of H would you need to have react?
•How many N atoms would be present in 0.378 moles of N2O? •2. If you have 4.55 x 1016 NO2 molecules, how many moles would you have? •3. How many grams would you need in order to have 0.885 moles of CuCO3? •4. If you have a 15.0 g sample of PF5, how many PF5 molecules would be in your sample? •5. If you have 3.14 x 1019 FeCl2 molecules, how many milligrams would you have? •6. What is the...
How many molecules are there in 2.30 grams of NH3? How many moles of H? Show work.
(a) You have 2.30 moles of argon. How many argon atoms are present? (b) How many moles of neon are needed to have 4.32x10^24 neon atoms? (c) You have 37.0 grams of CO2. How many moles is that? (d) You have 2.53 moles of CCl4. How many grams is that? (e) How many H2O molecules are present in a sample of water with a mass of 3.64 grams?
If you have 25,970 palladium atoms, how many moles do you have?
You have a patient whose blood cells are composed of: 80 molecules of glucose, 50 molecules of hemoglobin, 20 molecules of dextrose, and 2000 molecules of water. The total solute concentration is 7.5% If you needed to make an isotonic solution of saline for her IV, how many salt molecules would you need to add to 1000 molecules of water? How do you know?
2. A normal dose of ibuprofen is 200. mg. How many ibuprofen molecules are there in a dose of ibuprofen? The molecular formula of ibuprofen is C13H18O2. (Hint: grams to mol and mol to molecules) 3-Propane fuel is used in BBQs. Use the following reaction to determine how many moles of carbon dioxide gas are produced from burning of 6 moles of propane gas. C3H8(g) + 5O2(g) ® 4H2O(g) + 3CO2(g) 4- A. If a person inhales 51 moles of oxygen,...
How many moles are present if you have 8.75 times 10^23 molecules of CH_4? (include only number and unit)
lab
How many molecules of water are you drinking if you were to consume 450mL bottle of H20? 1. What is the volume of water expressed in L and mL? 2. Calculate the mass of water in g (Hint: we did this in week 1) a. Express mass in mg and kg 3. Find/Calculate the molecular weight of water (H20) 4. Calculate how many moles of water are in the bottle (450mL) 5. Calculate how many molecules of water you...