Could someone please check my Chemistry homework?

The molecular formula for cisplatin, a chemotherapy agent, is PtCl2(NH3)2

(The numbers are all supposed to be subscripts)

1. What is the molar mass of cisplatin?
Ans: 300.06 g/mol

2. How many moles of hydrogen atoms are in one mole of cisplatin?
Ans: 6

3. How many molecules are in 10.0g of cisplatin?
Ans: 2.01 x 10^22

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  1. All of these are correct. I'm sorry I didn't notice the post earlier.

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