Help with these calcs, exam in 4 days!

[giggsy]

Need someone to show me how to calculate the following

1. The relative molecular mass is 58.4, what mass would be required to prepare 200ml of a solution containing 150millimoles per litre.

2. what is the % concentration of 0.3 Molar sodium chloride

3. Vinorelbine is available as 5ml vial containing 10mg/ml. The patient requires 60mg/m2 per week for 3 weeks. The patient has a BSA of 1.75m2, what volume is required for 3 weeks treatment.