MPSC Rajyaseva 2019 CSAT — Question 14
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'1 मोल' ही किंमत पुढील कोणत्या किमतीशी समप्रमाणात आहे ? / 1 mole is equal to which quantity from the following?
(a)12 ग्रॅम वजनातील C-12 चे अणू / 12 grams of C-12 atoms
(b)6.022137 × 10²³ अणू (कोणत्याही पदार्थाचे) / 6.022137 × 10²³ atoms (of any material)
(c)555.85 ग्रॅम वजनाचे Fe / 555.85 grams of Fe
(d)1 cm³ आकारमानात बसणारे कोणत्याही पदार्थाचे एकूण अणू / atoms of any material in a volume of 1 cm³
One mole of a substance contains Avogadro's number of particles (6.022 × 10²³) and has a mass equal to its atomic/molecular mass in grams (e.g., 12g of C-12).
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