Question

3 Cu

Answer 1

Answer: 1.1 moles H2O

Explanation: It looks like the equation is already balanced for you, so the first step will be to convert 144.1 grams of HNO3 to moles. To do this find the molar mass, and use to to do your conversion.Using the numbers provided for mass, this is the equation:1(1.0) + 1(14) + 3(16) = 1 + 14 + 48 = 63 g/mol144.1 g HNO3  x   1 mol HNO3     =  2.287 mol HNO3                              63 g HNO3Now that you know how many moles of HNO3  you're starting with, use the ratio of moles in the equation to find the moles of H2O produced. The coefficient of HNO3 is 8, and H2O is 42.287 mol HNO3  x    4 mol H2O     =  1.144 mol H2O                               8 mol HNO3