Question

please solve itvfast​

Answer 1

Answer:

1. Molecular formula is CaCl2 i.e. 1 atom of Ca and 2 atoms of Cl . Hence,molecular weight = 1 x 40 + 2 x 35.5 = 40 + 71 = 111 g / mol .
2. The formula for sulfuric acid is H2SO4. The molar mass of sulfuric acid is 98.07848 g mol.
3. Molar mass of Co3(PO4)2 = 366.742322 g/mol

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