Consider the balanced reaction below: 2N205 → 4NO2 + O2 How many moles of N205 are needed to produce 7.90 g of NO2?<

Question

Consider the balanced reaction below:

2N205 → 4NO2 + O2
How many moles of N205 are needed
to produce 7.90 g of NO2?
[?] moles N205

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Vân Khánh 4 years 2021-08-06T00:52:14+00:00 1 Answers 37 views 0

Answers ( )

  1. ngochoa
    0
    2021-08-06T00:53:38+00:00
    Reply

    0.0859 mol N2O5

    Explanation:

    First convert the # of grams of NO2 to moles:

    7.90 g NO2 × (1 mol NO2/46.0055 g NO2)

    = 0.172 mol NO2

    Use the molar ratio to find the # moles of N2O5

    0.172 mol NO2 × (2 mol N2O5/4 mol NO2)

    = 0.0859 mol N2O5

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Giải phương trình 1 ẩn: x + 2 - 2(x + 1) = -x . Hỏi x = ? ( )