What is the mass of hydrogen in a sample of fructose, C_6 H_12 O_6 that contains

Question

What is the mass of hydrogen in a sample of fructose, C_6 H_12 O_6 that contains 8 g 12 g 16 g 24 g 3.2 g All of the following are strong electrolytes in an aqueous solution EXCEPT NH_4 HCO_3 H_2 CO_3 NaHCO_3 Na_2 CO_3 (NH_4)_2 CO_3 When a solution of lithium chloride and a solution of ammonium sulfate are mixed, a precipitate forms a new ionic compound is formed a gas is formed an acid and a base is formed no reaction occurs A precipitate is formed when aqueous potassium chloride is added to an aqueous solution of sodium sulfate iron (II) iodide calcium sulfide barium hydroxide silver nitrate What is the net-ionic equation that occurs when acetic acid and potassium hydroxide solutions mixed? Which one of the following elements would be expected to have the largest atomic radius? Li Cs F Br I The measure of attraction that an atom has for the electrons in a chemical bond is called electron affinity ionization energy electronegativity London forces

Explanation / Answer

Molecular weight of fructose is 180g/mol

180g of fructose contain 12x 6 =72g of carbon

72 g of carbon is present in 180g of fructose

48g of carbon is present in 180 x 48/7 = 120g of fructose

120 g of fructose corresponds to 120g/180gmol-1 of fructose i.e. 0.666 moles

0.666 moles contain 0.666 x 12g/mol = 8g of hydorgen

The answer is a

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