what is the formula weight (molar mass) of a compound that has formula with 2 aluminum, 6 carbon and 12 oxygen atoms?
what is the formula weight (molar mass) of a compound that has formula with 2 aluminum,...
1. determine the molar mass of aluminum perchlorate in units of grams per mole. 2. what is the mass (in grams) of 3.25 moles of elemental nitrogen? 3. how many molecules are found in 18.0 g of carbon dioxide? 4. A 170.00 g sample of an unknown compound want to UC Davis for elemental analysis. The results stated the unknown common consist of 29.84% sodium, 67.49% chromium, and 72.67% oxygen. Find the Paracle formula of this identified compound.
1. Determine the formula weight for each compound: sulfur tetrafluoride, carbon dioxide, sodium chloride, phosphorus pentafluoride, calcium phosphate, water, propane (C3H8), iron(III) sulfate. Which compounds would also have a molecular weight or molar mass? What is the difference between a formula weight and a molecular weight? 2. Determine the percent composition for each compound in question 1. Is it possible for two compounds to have the same percent composition? 3. For each compound in question 1, determine the number of...
Compound X has a molar mass of 180.16 g-mol and the following composition: element mass % carbon 40.00% hydrogen 6.71% oxygen 53.29% Write the molecular formula of X. Х ?
Compound X has a molar mass of 134.13·gmol−1 and the following composition: element mass % carbon 44.77% hydrogen 7.52% oxygen 47.71% Write the molecular formula of X .
-1 Compound X has a molar mass of 86.09 g-mol and the following composition: element mass % carbon 55.81% hydrogen 7.02% oxygen 37.17% Write the molecular formula of X. 5 ?
A compound with the empirical formula CH2 has a molar mass of 98g/mol. what is the molecular formula for this compound?
onent of protein called threonine has an approximate molar mass of 120 g/mole. If the percent sition is as follows, find the empirical and molecular formulas of threonine? C = 40.33%, H = 7.616%, O = 40.29% and N = 11.76% aethyllead, the "lead" additive in leaded gasoline, has a percent composition by mass of 64.06% Pb, 29.71 % C and 6.23% H. What is the empirical formula of tetraethyllead? A 50.51 g sample of a compound made from iron...
A compound with the empirical formula CH, has a molar mass of 70 g/mol. What is the molecular formula for this compound? molecular formula:
What is the molecular formula of a compound given the molar mass of the compound is 106.1 gram and the empirical formula is C3H3N? C. Ho N₂ C.H.N3 C3H3N2 C3H3N Cq2H₂ 2 Na
the emperical formula of some compound is CH3 and it has the molar mass 60g/mol. What is the molecular formula of this compound? a.c2h3 b.c4h6 c.c3h9 d.c4h12 e.c2h6