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Problem- Blood contains a total concentration of phosphate of approximately 1mM and typically has a pH of 7.4. You wish to make 100 liters of phosphate buffer with a pH of 7.4 from NaH2PO4 (MW= 119.98 g/mol) and Na2HPO4 (MW= 141.96 g/mol). How much of each (in grams) do you need?
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Why are the bond angles for CH3CH2CH3 approx. 109 degrees. Why is it Tetrehedral when it has 10 electron domains
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Chemical analysis of olivine (orthorhombic, Z=4) shows that it contains 40.99 wt % SiO2, 50.00 wt % MgO, 8.99 wt % FeO and a trace of MnO. The measured cell dimensions are a=4.76A, b=10.21A, c=5.99A. Determine the density of this member of the oli..
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