Fill in the blanks:

d) The relative density of lead is 11.3. Its density is ....g cm^–3or ....kg m^–3.

Solution

11.3

, 11.3 x 10³

Tips: -

Relative space density space equals space fraction numerator Density space of space straight a space substance space over denominator Density space of space water end fraction Density space of space water space equals space 1 space gm divided by cm cubed space Density space of space lead space equals space Relative space density space of space lead space cross times space density space of space water space space space space space space space space space space space space space space space space space space space space space space space space space space space equals space 11.3 cross times 1 space equals space 11.3 space straight g divided by cm cubed space 1 space straight g space equals space 1 over 1000 space kg 1 space cm cubed space equals space 10 to the power of negative 6 end exponent space straight m cubed space 1 space straight g divided by cm cubed space equals space 10 to the power of negative 3 end exponent over 10 to the power of negative 6 end exponent space kg divided by straight m cubed space equals space 10 cubed space kg divided by straight m cubed space therefore space 11.3 space straight g divided by cm cubed space equals space 11.3 space cross times space 10 cubed space kg divided by straight m cubed

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