Question

a) How many atoms are their in 1.5 moles of Sulphur atom.

b) Calculate total gram molecular mass of H³PO⁴.

c) Calculate total number of moles in 51 gram of NH³
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Answer 1

Answer:

a. There are 1.8×1024 atoms in 1.5 mol HCl.

b. molar mass of H3 PO4 is 98.00 g/mol.

c. Atomic mass of NH3 = 14 + 3 x 1 = 17 17 g

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Answer 2

Answer:

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