5 moles of AB2 weigh 125 × 10–3 kg and 10 moles of A2B2 weigh 300 × 10–3 kg. The molar mass of A (MA) and molar mass of B (MB) in kg mol are:

Question

5 moles of AB₂ weigh 125 × 10^–3 kg and 10 moles of A₂B₂ weigh 300 × 10^–3 kg. The molar mass of A (M_A) and molar mass of B (M_B) in kg mol are:

M_A = 10 × 10^–3 and M_B = 5 × 10^–3

M_A = 25 × 10^–3 and M_B = 50 × 10^–3

M_A = 5 × 10^–3 and M_B = 10 × 10^–3

M_A = 50 × 10^–3 and M_B = 25 × 10^–3

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