the density of alcohol is 0.79g/ml. find the mass of 15.5ml of alcohol?
15.5ml x 0.79g/ml = mass 12.245g
1 answer
That looks ok to me BUT you have too many significant figures. If the 0.79 is density you are allowed only two so you should round the answer to 12. If the density is given as 0.790 you can have three and round to 12.2.
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