document.write( "Question 1010892: 1 mol of carbon-12 contains 6.022 x 1023 carbon-12 atoms with a mass of 12 g.
\n" );
document.write( "A. Calculate the mass of one carbon-12 atom. Express your answer using scientific notation.
\n" );
document.write( "B. Calculate the number of carbon-12 atoms in 20.0 g of carbon-12.
\n" );
document.write( "C. Calculate the number of moles of carbon-12 atoms in 20.0 g of carbon-12.
\n" );
document.write( " \n" );
document.write( "
Algebra.Com's Answer #626404 by Boreal(15235)![]() ![]() You can put this solution on YOUR website! 12 gm/6.022*10^23 = x gm/1 \n" ); document.write( "6.022*10^23atoms=12 gm \n" ); document.write( "1 atom=12/6.022 x!0^23= \n" ); document.write( "1.993*10^-23 gm/C atom \n" ); document.write( "=================== \n" ); document.write( "20/12*{6.022 x !0^23)=10.037 x 10^23 atoms=1.0037 x 10^24 atoms \n" ); document.write( "================== \n" ); document.write( "That is 5/3 moles.\r \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |