What is the mass of 7.60 moles of magnesium chloride, MgCl₂? Express your answer with the appropriate units. ► View Available Hint(s) mass of MgCl2 Submit = μÅ Value Ċ Units Previous Answers Request Answer ?

The number of N atoms in 10.0 moles of NH 3 (subscript)

This is the chemical formula for nickel tetracarbonyl (a powerfully polsonous liquid used in nickel refining): Ni(CO), A chemical engineer has determined by measurements that there are 18.8 moles of nickel in a sample of nickel tetracarbonyl. How many moles of carbon are in the sample? Round your answer to 3 significant digits.

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How many moles are in 5.83 g of the compound Happyase if it has a molar mass of 40.24 g/mol? (enter only your numeric answer, do not use scientific notation, include 2 decimal points in your answer)

Part A What is the molar mass of butane, C4H10? Express your answer to four significant figures and include the appropriate units. ► View Available Hint(s) HÅ Value undo Units Submit Previous Answers Incorrect: Try Again B ?

Results table. To clean up, zoom out from the balance and drag the sample to the red disposal container. Repeat with ammonium chloride (NH4Cl), located on the Salts shelf.                                     C12H22O11                                              NH4ClMass (g)                        1.0481 g                                                  1.0444g  Molar Mass (g/mol)MolesMoles of each elementAtoms of each element Much like the previous calculation, you will use the periodic table to determine the molar massof the compound. The example shown is for sodium chloride, NaCl. The molar mass is the massof 1 sodium (22.98g/mole) and 1 chlorine (35.45g/mole) added together, 58.43g/mole. If theformula shows multiple atoms, as in sugar, you must take that into account. For sugar, it will be12 times the mass of a carbon atom plus 22 time the mass of hydrogen atom, plus 11 times themass of oxygen atoms.The calculation of moles will be similar to that done in the previous…

Using a chemical equation to find moles of product from moles... Try Again Your answer is wrong. In addition to checking your math, check that you used the right data and DID NOT round any intermediate calculations. Gaseous ammonia chemically reacts with oxygen (0₂) gas to produce nitrogen monoxide gas and water vapor. Calculate the moles of oxygen needed to produce 0.065 mol of nitrogen monoxide. Be sure your answer has a unit symbol, if necessary, and round it to 2 significant digits. 0.098 mol Explanation Recheck X ロ・ロ S Try again.... 0/5 4 Ⓒ2022 McGraw Hill LLC. All Rights Reserved. Terms of Use Privacy Center Accessibil

How many atoms in 6.255 mol of each of the following: (Enter your answer in scientific notation using the correct number of significant figures.) • help: scientific notation format (a) Fe: atoms (b) H2: atoms (c) H2SO4: atoms