Ask Question
27 April, 17:08

What is the mass of H2O produced when 10.0 grams of H2 reacts completely with 80.0 grams of O2?

A (70.0 grams)

B (90.0 grams)

C (180.0 grams)

C (800.0 grams)

+1
Answers (1)
  1. 27 April, 20:08
    0
    H₂:

    M=2g/mol

    m=10g

    n = m/M = 10g/2g/mol = 5mol

    O₂:

    M = 32g/mol

    m = 80g

    n = m/M = 80g/32g/mol = 2,5mol

    2H₂ + O₂ ⇒ 2H₂O

    2mol : 1mol : 2mol

    5mol : 2,5mol : 5mol

    10g : 80g : 10g+80g=90g

    B
Know the Answer?
Not Sure About the Answer?
Find an answer to your question ✅ “What is the mass of H2O produced when 10.0 grams of H2 reacts completely with 80.0 grams of O2? A (70.0 grams) B (90.0 grams) C (180.0 ...” in 📘 Chemistry if you're in doubt about the correctness of the answers or there's no answer, then try to use the smart search and find answers to the similar questions.
Search for Other Answers