None do. The mass of a CD is between 15 and 20 grams,
meaning that 50 to 67 of them total 1,000 grams.
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20 cds
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Since there isn't enough data to actually find the number of Cds miriam has, we must simply write and expression for the number of Cds she has. Since Kayla has x Cds and Miriam has seven less;Miriam has x-7 Cds.
m= 0.977g Find the formula weight- Cd= 112.411amu S=32.065amu so CdS = 144.476amu or units in (g/mol) so multiply 6.76e-3 (mol) * 144.476 (g/mol) = 0.977g
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