Asked by Shine bright shine far
Zn(s) + 2HCl(l) ---> ZnCl2(s) + H2(g) at STP
What mass of zinc is needed to produce 115 mL of hydrogen?
0.115L/22.4L/mol = 0.0051 moles H2 gas
0.0051 mol x 65g/mol = 0.33 grams
What mass of zinc is needed to produce 115 mL of hydrogen?
0.115L/22.4L/mol = 0.0051 moles H2 gas
0.0051 mol x 65g/mol = 0.33 grams
Answers
Answered by
bobpursley
correct, at stp.
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