Open Question
How many atoms of nitrogen are in the chemical formula Ni(NO3)2? 2 1 6 3
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3. Chemical Reactions
Molecular Formula
Back3. Chemical Reactions
Molecular Formula
- Open Question
Valproic acid, used to treat seizures and bipolar disorder, is composed of C, H, and O. A 0.165-g sample is combusted to produce 0.166 g of water and 0.403 g of carbon dioxide. If the molar mass is 144 g/mol, what is the molecular formula?
306views - Multiple ChoiceA 2.20-gram sample of an unknown monoprotic acid with empirical formula C3H4O3 is dissolved in 1.00 L of water. It takes 25.0 mL of a 0.500 M NaOH solution to neutralize the acid. What is the molecular formula of the acid?320views
- Multiple ChoiceA compound has an empirical formula of C2H5O and a molecular mass of 135 amu. What is the molecular formula?392views
- Multiple ChoiceA gaseous hydrogen and carbon-containing compound is decomposed and found to contain 82.66% carbon and 17.34% hydrogen by mass. The mass of 158 mL of the gas, measured at 556 mmHg and 25 °C, was found to be 0.275 g. What is the molecular formula of the compound?393views
- Multiple ChoiceDetermine the molecular formula for the compound with a molar mass of 46.08 g/mol and the following percent composition: C: 26.06%, H: 13.13%, N: 60.81%.242views
- Multiple ChoiceDetermine the molecular formula of a compound that has a molar mass of 92.0 g/mol and an empirical formula of NO₂.345views
- Multiple ChoiceHow many hydrogen atoms are in one formula unit of ammonium phosphate (NH4)3PO4?355views
- Multiple ChoiceGiven that the compound XCl₄ contains 66.1% Cl by mass, what is the atomic mass of element X?348views
- Multiple ChoiceThe molar mass of a compound is 52.07 g/mol. Its empirical formula is CH. Determine the molecular formula of the compound.391views