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How many grams of CaCl2 are in 250 mL of 2.0 M CaCl2?
g CaCl2
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GPT-5 mini
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Moles CaCl2 = M × L = 2.0 mol·L⁻¹ × 0.250 L = 0.500 mol.
Molar mass CaCl2 = 40.08 + 2(35.45) = 111.0 g·mol⁻¹.
Mass = 0.500 mol × 111.0 g·mol⁻¹ = 55.5 g.
With the given data (2.0 has 2 sf) round to 2 sig figs: 56 g CaCl2.
Molar mass CaCl2 = 40.08 + 2(35.45) = 111.0 g·mol⁻¹.
Mass = 0.500 mol × 111.0 g·mol⁻¹ = 55.5 g.
With the given data (2.0 has 2 sf) round to 2 sig figs: 56 g CaCl2.
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