6. Calculate no.of moles of the following.
(a) 44.8L CO, (b)40g SO, (S:32, 0:16)
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Answer:
(a) 2 moles
(a) 2 moles(b) 0.83 moles
Explanation:
(a) as pressure and temperature are not given , we will find under STP
22.4L of any gas have 1mole
so, 44.8L of gas have => (1/22.4) × 44.8 = 2mole
(b) mole = given mass/molar mass
=> mole = (40)/(32+16) = 40/48
=> mole = 0.83
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