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OpenStudy (anonymous):
The molar mass of calcium is 40.08, oxygen is 16.0, and hydrogen is 1.01. What is the mass of one mole of calcium hydroxide (Ca(OH)2)?
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OpenStudy (anonymous):
You Have to add together the molar masses in proportion to the formula: 1 Calcium, 2 oxygens and two hydrogens. (hydroxide ions are OH- so there are two of them for every calcium).
OpenStudy (nechirwan):
mole=wt\m.wt => wt=m.wt Xmole mwt CaOH2=[40.08+(16.0+1.01) x2 =74.1gm/mole wt= 74.1gm/mole x 1.0 mole =74.1gm
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