1. How many ATOMS of nitrogen are present in 8.78 grams of dinitrogen tetrafluoride ? atoms of nitrogen . 2. How many GRAMS of fluorine are present in 2.34x1022 molecules of dinitrogen tetrafluoride ? grams of fluorine

Q: What is the mass of 3.66 moles of N2 ?

A: Given : number of moles of N2 = 3.66 mol  To calculate :- mass of N2 (in g)    Number of moles =…

Q: How many MOLECULES of dinitrogen monoxide are present in 4.00 grams of this compound? How many…

A: Given, a) mass of dinitrogen monoxide (N2O) = 4.00 grams Number of molecules of dinitrogen monoxide…

Q: Which of the following would contain the highest number of atoms?

A: Number of moles = mass/molar mass.  1 mol contains 6.022 × 1023 atoms

Q: How many molecules of glucose (C6H12O6) are present in 1.52 grams of glucose (C6H12O6)? The…

A:

Q: Acetaminophen, a common aspirin substitute,has the formula C 8 H 9 N O 2 . Determine the numberof…

A: Given  Molecular formula of acetaminophen = C8H9NO2  Molar mass of C8H9NO2 = (12 x 8 ) + ( 1 x 9 ) +…

Q: How many GRAMS of sulfur hexafluoride are present in 9.83×1022 molecules of this compound ?

A: Given : Compound is sulfur hexafluoride i.e SF6. And number of molecules of SF6 = 9.83 X 1022…

Q: Calculate the total number of N atoms in 23.8 g N2O5. O 2.65 x 1023 total N atoms O 9.31 x1023 total…

A:

Q: Convert 0.802 moles of Ti (OR T i) to grams. Do not type units with your answer. The atomic weight…

A: Given  Number of mole of Ti  = 0.802 mole  Molar mass of Ti   =  47.87 gram/mole Weight in gram…

Q: A sample of propane, C3H8C3H8, contains 16.1 molesmoles of carbon atoms. How many total moles of…

A: Given, the sample of propane (C3H8) contains 16.1 moles of carbon atoms. In propane, the carbon…

Q: Determine the number of moles of cesium in 50.0 g of cesium.

A:

Q: 1. What is the mass of 1.78×104 atoms of boron ? grams 2. How many boron atoms are there in 39.7…

A:

Q: A 2.37 g sample of nitrous oxide (an anesthetic sometimes called laughing gas) contains 3.24 x 1044…

A: Given data,  Mass of nitrous oxide = 2.37 g  Contains 3.24 × 1022 N2O molecules

Q: One carrot may contain 0.75 mg of vitamin A (C20H30O). How many moles of vitamin A is this?  How…

A: We would use relation between mass ,moles , molar mass to calculate the values.

Q: How many MOLECULES of carbon tetrabromide are present in 7.44 grams of this compound ?   How many…

A: molecular mass CBr4 is 332 g i .e we have 0.0224 mole of CBr4

Q: A sample of C3H8C3H8 has 4.48×1024 H4.48×1024 H atoms. How many carbon atoms does the sample…

A:

Q: A compound has an empirical formula of C 2H 3. If a sample of the compound contains 4.36 grams of…

A: Empirical Formula :- It is the simplest ratio of number of atoms present in a compound. The ratio is…

Q: A sample of hydrogen has a mass of 40.2 grams.  How many H atoms are there in the sample?   How…

A: Given that,mass of hydrogen = 40.2 gMolar mass of hydrogen = 2.016g/molmoles of hydrogen = mass of…

Q: Calculate the number of oxygen atoms in 25.1 g of nitric acid. O 4.80 x 1023 oxygen atoms O 7.19 x…

A: The number of moles of a substance is the mass of the substance upon its molar mass.

Q: A 2.41 g sample of nitrous oxide (an anesthetic sometimes called laughing gas) contains 3.30 x 102…

A: Given: Number of molecules of N2O =3.30×1022 molecules And mass of N2O sample =2.41 g

Q: Calculate the number of oxygen atoms in 25.1 g of nitrous acid. 4.80 x 1023 oxygen atoms O 6.43 x…

A: Given,  Mass of nitrous acid = 25.1 g

Q: A 3.87g sample of nitrous oxide (an anesthetic sometimes called laughing gas) contains 5.30x1022 N2O…

A: a) 1 molecule of N2O contains 2 nitrogen atoms, Hence, 5.30 ×1022 N N2O molecules will contain…

Q: You are given a 10.0 grams sample of ethanol (CH3CH2OH).   Explain how you can use the molar mass of…

A: The Avogadro’s number of any species is defined by a mole. The Avogadro’s number, NA, is equal to…

Q: An unknown compound contains 53.34% rhodium, 9.338% carbon, and the rest is oxygen. a) If you assume…

A: Given a compound with the composition: Rh = 53.34 % C = 9.338 % O = 100 - (53.34 + 9.338) % = 37.322…

Q: A sample of oxygen has a mass of 25.2 grams. How many O atoms are there in the sample?  atoms How…

A: Calculation given as follows

Q: How many ATOMS of nitrogen are present in 5.39 grams of dinitrogen tetrafluoride

A:

Q: A compound has an empirical formula of C 8H 17. If a sample of the compound contains 4.90 grams of…

A: To solve this problem we will first find the number of moles of carbon from the given mass then…

Q: In 6.9 g of aluminum, there are ______ x 1023 aluminum atoms present

A: Molecular mass of atom contains 6.023 × 10^23 atoms. Molar mass of aluminium is 26.981 g/mol

Q: How many helium (He) atoms are there in 3.75 moles of helium?   3.75 x 1023 atoms 3.99 x 1025 atoms…

A: You have given - Moles of He = 3.75 mol

Q: How many Na+ ions are present in 3.91 g of Na2S?

A:

Q: For each of the following gemstones, determine the mass of compound present in the given moles of…

A: Given  1) Formula = Be3Al2(SiO3)6     Number of mole = 0.0170 mole        mass    = ? 2) Formula   =…

Q: n the CCI2F example, if the molar mass of the compound was 305.7 g/mol, what would the molecular…

A: Molar mass of C = 12 g/molMolar mass of Cl = 35.45 g/molMolar mass of F = 19 g/mol

Q: The formula for sulfur dioxide is SO2. How many grams of sulfur are present in 1.31 moles of sulfur…

A:

Q: How many MOLECULES of carbon dioxide are present in 6.99 grams of this compound ?  molecules. and…

A: 1) Given: Mass of CO2 = 6.99 g.

Q: How many bromine atoms are present in 30.7 g of CH2Br2? Express the number of atoms to three…

A:

Q: Chemical formulas can be written as empirical formulas, molecular formulas, or structural formulas.…

A: The solution is given below -