2 Chemistry Questions? 1st is about amounts, 2nd is about yield?

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1) Recipe calls for 6.9g compound, 3.3g ammonium, and 3.4g iron...how much of each should I use if I only want to use 100mg of compound? Thanks, just checking my answers here.
I got, 47.8mg ammonium and 49.3mg iron. Can you guys see if I did it correctly?

2) If I have a synthesis reaction where I used 1g of reactant A and 1.6 g of reactant B, what would be my theoretical yield? Molecular weight of A is 145.16 and B is 335.61. Thanks, once again checking my answer. Tell me if 2.35g is correct?
 
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