Asked by Jack
                 How much CaCl2.6H2O and water must be weighed out to make 100 g of a solution that is 5% CaCl2 by mass?
Thanks to anyone who explains this to me
            
        Thanks to anyone who explains this to me
Answers
                    Answered by
            R_scott
            
    5% of 100 g is 5 g
find the moles of CaCl2 in 5 g
multiply the moles by 6 to find the amount of hydration H2O
find the mass of the hydration H2O , and add it to the 5 g of CaCl2
... this is the amount of CaCl2.6H2O needed
the rest of the 100 g is water
    
find the moles of CaCl2 in 5 g
multiply the moles by 6 to find the amount of hydration H2O
find the mass of the hydration H2O , and add it to the 5 g of CaCl2
... this is the amount of CaCl2.6H2O needed
the rest of the 100 g is water
                    Answered by
            Jack
            
    Thank you so much
    
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