the 3rd one is the answer
W/w% = solute / mass of solution
w/w% = 33.7 / 231
w/w% = 0.146
= 0.146 x 100 => 14.6%
Answer B
hope this helps!
sodkaodkafsdpfkswes oExplanation:
The volume of a 5cm cube is 0.5dm*0.5dm*0.5dm = 0.125dm^3
1dm^3 = 1l
So 0.125dm^3 = 125mL
This gives us 2410/125 = 19.28
So the density of gold is 19.28g/mL
Final check: Gold is indeed 19.3g/mL
Answer:
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