Answer:
Number of moles of solute = 0.6 mole
Mass =13.8 g
Explanation:
Given data:
Number of moles of sodium = ?
Volume = 2.0 L
Molarity = 0.30 M
Mass in gram of sodium= ?
Solution:
<em>Number of moles:</em>
Molarity = number of moles of solute / volume in litter
Number of moles of solute = Molarity × volume in litter
Number of moles of solute = 0.30 M × 2.0 L
Number of moles of solute = 0.6 mole
<em>Mass in gram:</em>
Mass = Number of moles × molar mass
Mass = 0.6 mole× 23 g/mol
Mass =13.8 g
Answer:
2 moles of NO2 would be produced.
Explanation:
Here, you will have to do a mole to mole ratio.
2 moles NO x (2 moles NO2 / 2 moles NO)
= 2 moles NO2
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Surface of liquid that allows it to resist force because of the nature of water molecules and their functions.