A bottle can hold up to 1kg of water. How much edible vegetable oil can you hold in this bottle? (ρ water = 1.0 × 103 & nbsp; kg / m3, ρ oil = 0.9 × 103 & nbsp; kg / m3)
(1) ∵ ρ = MV, ∵ bottle volume: v = V water = m water ρ water = ikg 1 × 103kg / m3 = 1 × 10-3m3; (2) ∵ ρ = MV, the maximum mass of edible vegetable oil in the bottle: m oil = ρ oil, v = 0.9 × 103kg / m3 × 1 × 10-3m3 = 0.9kg
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