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OpenStudy (anonymous):
Excess calcium reacts with 100 ml of 4.00 M H2SO4 through single replacement. How many liters of hydrogen gas are released at STP? Please show your work and explain how you got to this.
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OpenStudy (anonymous):
The balanced eq : Ca + H2SO4 --> CaSO4 + H2 mole of H2SO4 = 4 M x 0.1 L = 0.4 Volume H2 at STP = 0.4 x 22.4 = 8.96 litres
OpenStudy (anonymous):
The .1 L is 100 ml converted into L right?
OpenStudy (anonymous):
right
OpenStudy (anonymous):
Okay, thank you very much. This helps a lot!
OpenStudy (anonymous):
ur welcome
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