document.write( "Question 789343: How many grams of salt are needed to prepare 250g of a 10% (by mass) salt solution? \n" ); document.write( "
Algebra.Com's Answer #478820 by KMST(5328)\"\" \"About 
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10% is the ratio \"10%2F100\"
\n" ); document.write( "\"x%2F250=10%2F100\"
\n" ); document.write( "\"x=250%2A%2810%2F100%29\"
\n" ); document.write( "(That's \"250%2A10%2F100\" or \"250%2A0.10\").
\n" ); document.write( "The answer is \"highlight%28x=25%29\"
\n" ); document.write( "You need 25g of salt.
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