the mass of 1 mole of a substance is 11.79 into 10 raise to 20 kg what is its molar mass
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no. of moles = mass / molar mass
1 = 11.79 × 10²⁰ kg / molar mass
1 = 11.79 × 10²³ g/ molar mass
molar mass = 11.79× 10²³ g/ mole
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