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This quiz contains 7 questions from a mix of 1 subtopics.
What is the formula for finding concentration from number of moles and volume?
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A student has 10.0 g of NaBr, and wants to use it to make a NaBr solution with a concentration of 0.0400 mol dm-3.
If she wants to use the whole 10.0 g, what volume of solution will she need to make?
Give your answer to 3 significant figures.
dm3
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A beaker contains 1.50 dm3 of 0.800 mol dm-3 NaOH
Calculate the mass of NaOH in the solution.
g
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5.00 g of KNO3 is dissolved in 100 cm3 of water.
Calculate the concentration in g dm-3.
g dm-3
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2.50 mol of KBr is dissolved in 4.00 dm3 of water.
Calculate the concentration in mol dm-3.
mol dm-3
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How do you convert from units of g dm-3 into mol dm-3?
multiply by 1,000
divide by Mr
divide by 1,000
multiply by Mr
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How do you convert from units of cm3 into dm3?
multiply by Mr
multiply by 1,000
divide by 1,000
divide by Mr
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