WebMar 2, 2024 · Answer: Molecular formula = N2O4 Explanation: The empirical formula of a compound is NO2. Its molecular mass is 92g/mol. What is its molecular formula? Step 1: Data given The empirical formula = NO2 The molecular formula = NO2 Molar mass N = 14 g/mol Molar mass O = 16 g/mol Step 2: Calculate molecular mass of the empirical formula WebMolar mass of Ca (NO2)2 = 132.089 g/mol This compound is also known as Calcium Nitrite. Convert grams Ca (NO2)2 to moles or moles Ca (NO2)2 to grams Molecular weight calculation: 40.078 + (14.0067 + 15.9994*2)*2 Percent composition by element Similar chemical formulas Note that all formulas are case-sensitive.
The molar mass of NO2 is 46.01 g/mol. How many moles …
WebOct 7, 2024 · Answer: 1. Find the molar mass of NO2 (46.01) 2. Find the number of moles in 25 g of NO2 (by dividing 25 by the molar mass) 25/46.01 = .54 3. For every 3 moles of NO2 there are 2 moles of HNO3. multiply the number of moles of NO2 by 2/3 .54 x 2/3 = .36 4. Finally, multiply this number by the molar mass of HNO3 (63.018) .36 x 63.018 = 22.68 g … http://aboutme.com/aBHXmW/calculate-the-mass-percent-composition-of-n2o bridge into life
Answered: g. Since the concentration of the H₂O2… bartleby
WebA compound consists of 4.50 g of nitrogen for every 7.71 g of oxygen and has the same empirical and molecular formula. Identify the compound. a) NO2 b) N2O c) N2O3 d) NO3 20. In which pair would both compounds have the; Question: 18. What is the molecular formula of a compound with the empirical formula CH and molar mass of 26.04 g ? WebAug 26, 2024 · The empirical formula of the compound is NO₂ The molar mass of the compound is 92.0 g/mol Here, MNO₂ The molecular weight is calculated first MNO₂: 14 + (16 × 2) = 46 g/mol Then, this molecular weight is divided by the molar mass of the compound Putting the values in the formula 92 / 46 = 2 2 x NO₂ = N₂O₄ WebApr 9, 2024 · Science Chemistry When 2.65 g of an unknown weak acid (HA) with a molar mass of 85.0 g/mol is dissolved in 250.0 g of water, the freezing point of the resulting solution is -0.259 °C. Part A Calculate K, for the unknown weak acid. The freezing point depression constant (Kr) for water is 1.86 °C/m. Express your answer using two … bridge in the movie bridges of madison county