There are 4.04 x 10^23 molecules of water. Find the mass (g) of the hydrogen atoms contained in it. Show work.
There are 4.04 x 10^23 molecules of water. Find the mass (g) of the hydrogen atoms...
Question 23 4 pts How many atoms of hydrogen are present in 7.63 g of ammonia? Given, molar mass of NH3 is 17.03 g/mol. (Show your work, attach a file) HTML Editor
if
3.011 x 10^23 molecules have a mass of 20.04 grams, what is the
mokar mass if this substance?
8) If 3.011 x 1023 molecules have a mass of 20.04 grams, what is the molar mass of this substance? A) 40.08 g/mol B) 10.02 g/mol C) 20.04 g/mol D) 6.658 x 10-23 g/mol E) none of the above
How many H2O molecules are contained in 1.50 L of water? Assume the density of water is 1.00 g/mL. How many H atoms are contained in 1.50 L of water? Assume the density of water is 1.00 g/mL. please show work, thanks
How many molecules of CH3OH will contain 3.20 x 10^23 H atoms?
X 6.02 3 * 10 23 Ty 1012 - mass 119.35 19.89 of chloro 3. Calculate the number of (a) nitrogen molecules (N, molecules) and (b) nitrogen atoms (N atoms) in 0.111 g of nitrogen gas (N2). Page 10
+ 6. How many moles of CsHız are contained in 3.10 x 10" molecules? 7. What is the mass in grams of 6.56 x 10^2 molecules of ascorbic acid (C.H.O.)? TH Name Date Molar Mass, Molar Ratio, A- 8. How many stoms of carbon are in a sample of acetone (C,H,O) that has 3.00 mol of hydrogen? 9. How many atoms of hydrogen are in 10.00 mL of ethanol (C110) if the density of ethanol is 0.789g/mL?
How many hydrogen atoms are in 135 g of H20? Multiple Choice o 170 atoms o 4.51 x 1024 atoms o 9.02 x 1024 atoms o 8.04 x 1022 atoms o 2.49 х 10-23 atoms
23. If 7.50x 104 molecules of a substance have a mass of 454 g, what is the molar mass of the substance? A 6.05 x 10 239 12.5-g mol B. 36.59 C. D. 5.65 x 1039 mol mol mol
49. Calculate the mass of water produced when 625 of methane, CH4, reacts with an excess of oxygen in the following unbalanced reaction. CH4%)+18) + CO2g)+H2Og) a. 7.02 g H20 b. 2.25 x 10² g H20 c. 14.0 g H20 d. 0.347 g H20 c. 0.78 g H20 50. In the reaction below, how many molecules of hydrogen are required to react with 9.79 g of nitrogen? 3H,@) + N2) 2NH3) 1.2.10 x 1023 molecules hydrogen b. 3.16 x 1023...
what is the mass of a sample containg 1.50 x 10^23 molecules of NH3?