All organisms on Earth have the information necessary for building them coded in their genes, and each gene is a part of the org
anism's unique DNA molecule.
INNIN
However, some organisms get all of their genetic material from just one parent organism. When this happens, this is called
reproduction
A. singular
B. infertile
C. asexual
D. sexual
INNIN
However, some organisms get all of their genetic material from just one parent organism. When this happens, this is called
reproduction
A. singular
B. infertile
C. asexual
D. sexual
2 answers:
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Answer:
50
Explanation:
We will need a balanced equation with masses, moles, and molar masses of the compounds involved.
1. Gather all the information in one place with molar masses above the formulas and masses below them.
Mᵣ: 30.01 32.00 46.01
2NO + O₂ ⟶ 2NO₂
Mass/g: 80.00 16.00
2. Calculate the moles of each reactant
3. Calculate the moles of NO₂ we can obtain from each reactant
From NO:
The molar ratio is 2 mol NO₂:2 mol NO
From O₂:
The molar ratio is 2 mol NO₂:1 mol O₂
4. Identify the limiting and excess reactants
The limiting reactant is O₂ because it gives the smaller amount of NO₂.
The excess reactant is NO.
5. Mass of excess reactant
(a) Moles of NO reacted
The molar ratio is 2 mol NO:1 mol O₂
(b) Mass of NO reacted
(c) Mass of NO remaining
Mass remaining = original mass – mass reacted = (80.00 - 30.01) g = 50 g NO