Calculate the mass magnesium chloride in the mixture
A mixture of the compounds aluminum oxide and magnesium chloride contains 39.0 g of aluminum oxide and is 49.9 % by mass magnesium chloride. Calculate the mass (g) magnesium chloride in the mixture.
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Light containing wavelengths of 400 nm, 500 nm, and 650 nm is incident from air on a block of crown glass at an angle of 25.0°. Calculate the angle of refraction in each case to verify your answer.
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