spetgrave069
22.07.2019 •
Chemistry
How many moles of nh3 are in 0.250 l of a 5.00 m aqueous solution?
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Ответ:
Molarity = 5.0 mol/L
Volume = 0.250 L
Solution:
As we know a concentration unit, Molarity is the number of moles dissolved per unit volume of solution...
Molarity = Moles / Volume of Solution
As, we are in need of moles, so solve above equation for moles, i.e.
Moles = Molarity × Volume
Putting Values,
Moles = 5 mol.L⁻¹ × 0.250 L
Moles = 1.25 Moles
Ответ:
no what is that ...