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The total number of calcium atoms in 80.0 grams of calcium |
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Answer» 2NA = 12.044 × 10^23Explanation:We KNOW,molar mass of CA = 40 gramtherefore, number of MOLES of Ca = GIVEN WEIGHT /molar mass = 80/40 = 2 moles.Therefore, no. of atoms = 2 × 6.022 × 10^ 23 = 12.044 × 10^23 |
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