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प्रश्न
Calculate:
The gram molecular mass of chlorine if 308cm3 of it at STP weighs 0.979 g.
उत्तर
308 cm3 of chlorine weighs = 0.979 g
∴ 22400 cm3 of chlorine at STP will weigh = `(0.979 xx 22400)/308`
= 71.2 g
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