moles to grams, Chemistry

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determine the no of atom in 4.5g of k

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The present atomic weight scale is based on: (1) C 12                   (2) O 16        (3) H 1                      (4)C 13 Ans:  C 12

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What is Frenkel defect A pair of one cation and one anion can be missing from an ionic crystal as shown in the following figure. Such a pair of vacant sites is called Schottky

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Calculate the molarmass of a nonelectrolyte that lowers the freezing point of 25.00g of water to -3.9 degrees C when 4.27 g of the substance is dissolved in the water.

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Types of addition reactions Addition reactions can be categorized into three categories on the basis of the nature of initiating species. (A) Electrophilic additions (B)

Solution, what is abnormal molecular mass

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