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Calculate the percentage by mass of nitrogen in PtCl2(NH3)2

Accepted Answer

The percentage by mass of nitrogen in PtCl2(NH3)2 can be calculated as follows:

1. Determine the molar mass of PtCl2(NH3)2:

Pt: 195.08 g/mol
Cl: 35.45 g/mol x 2 = 70.90 g/mol
N: 14.01 g/mol x 2 = 28.02 g/mol
H: 1.01 g/mol x 6 = 6.06 g/mol

Molar mass = 195.08 + 70.90 + 28.02 + 6.06 = 300.06 g/mol

2. Calculate the mass of nitrogen in PtCl2(NH3)2:

Mass of nitrogen = 28.02 g/mol

3. Calculate the percentage by mass of nitrogen:

Percentage by mass = (Mass of nitrogen / Molar mass) x 100%

= (28.02 g/mol / 300.06 g/mol) x 100%

= 9.34%

Therefore, the percentage by mass of nitrogen in PtCl2(NH3)2 is 9.34%.

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