GK
CHEMISTRY
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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What is the volume of 160 g of oxygen gas at STP?
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112 L
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22.4 L
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78.8 L
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114.24 L
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224 L
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Explanation:
Detailed explanation-1: -(i) The given vessel contains 1.6g of dioxygen i.e. O2 gas at STP. Therefore it contains 1.6/32 = 0.05mol of O2. At STP, 1 mol of O2 has 22.4L of volume, hence at 0.05mol, O2 has 0.05 x 22.4 = 1.12L volume.
Detailed explanation-2: -The volume of oxygen at STP is equal to the product of the number of the moles and standard volume at STP. The number of the moles of oxygen is involved in the chemical reaction is
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