Mg + HCl -------> MgCl2 + H2

What volume of HCl is required from 27 % HCl to form 12.1 gram H2?
( D = 1.41 g/ml)

1 answer

Balance the equation.
how many moles in 12.1g H2 ?
You'll need twice that many moles of HCl
So, how much 27% solution will have that many moles?
Similar Questions
  1. What volume of 0.149 M K3PO4 is required toreact with 41 mL of 0.793 M MgCl2 according to the equation 2 K3PO4 + 3 MgCl2 →
    1. answers icon 1 answer
  2. What volume of 0.344 M K3PO4 is required toreact with 79 mL of 0.87 M MgCl2 according to the equation 2 K3PO4 + 3 MgCl2 →
    1. answers icon 1 answer
  3. What volume of 0.704 M K3PO4 is required toreact with 48 mL of 0.975 M MgCl2 according to the equation 2 K3PO4 + 3 MgCl2 →
    1. answers icon 1 answer
    1. answers icon 1 answer
more similar questions