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Calculate the number of molecules present in each of the following samples. (a) 0.650 mol acetylene,...

Calculate the number of molecules present in each of the following samples.

(a) 0.650 mol acetylene, C2H2, a fuel used in welding

(b) How many molecules are in a snowflake containing 9.00 10-5 g of H2O

(c) a 100. mg tablet of vitamin C, C6H8O6 NOTE THE UNITS OF mg.

(d) how many ATOMS are in the vitamin C sample in part (c)?

(d) how many ATOMS of oxygen are in the vitamin C sample in part (c)?

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