how many grams of glucose (180grams/mole) to make a 13% glucose solution with a final volume of 600 milliters.

if 600 ml of water, then mass of solution is 600g+massGlucose

but .13(600+massGlucose)=massglucose
600=massglucose/.13-massglucose

massglucose(1/.13 -1)=600
massglucose(.87/.13)=600
massgluxose=.13*600/.87