A solution of potash alum has a concentration of 258 g/dm3 Calculate the mass of potash alum needed to make 800 cm3 of a solution of potash alum with a concentration of 258 g/dm3 Give your answer to 3 significant figures. – 6175

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Q1.

A solution of potash alum has a concentration of 258 g/dm3 Calculate the mass of potash alum needed to make 800 cm3 of a solution of potash alum with a concentration of 258 g/dm3 Give your answer to 3 significant figures. ___________________________________________________________ ___________________________________________________________ ___________________________________________________________ ___________________________________________________________ ___________________________________________________________ ___________________________________________________________ ___________________________________________________________ 

Mass (3 significant figures) = _______________ g (4)

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One thought on “A solution of potash alum has a concentration of 258 g/dm3 Calculate the mass of potash alum needed to make 800 cm3 of a solution of potash alum with a concentration of 258 g/dm3 Give your answer to 3 significant figures. – 6175”

  1. Step 1 – Convert volume to dm³

    800 cm3 ÷ 1000 = 0.8 dm3

    Step 2 – Calculate mass

    Mass = 0.8 × 258 = 206.4 g

    Step 3 – Give answer to 3 significant figures

    206 g

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