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A rock contains 270 mmol

A rock contains 270 mmol of 238 U (t1/2= 4.5*10^9 yr) and110 mmol of 206 Pb. Assuming that all the 206 Pb comes from decay of
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2. asked by John Son
3. 1,461 views
How many millimoles of solute are contained in 250 ml of a solution that contains 4.20 ppm of CuSO4?* 1 point 0.00658 mmol 10.0
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2. asked by Mo
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Find the number of millimoles of solute in (a) 226 mL of 0.320 M HClO4* 1 point 72.3 mmol 0.0723 mmol 73.2 mmol 7.23 mmol
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How to find mmol? this is for dilantin by multistep synthesis lab.using 350 mg of benzoin = mmol? using 160 mg NH4NO3 = mmol?
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2. asked by Denaiel
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What is the maximum amount of ethanol (in millimoles) that could theoretically be produced under the following conditions?Condit
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2. asked by Mark
3. 1,787 views
( (0.1095 mmol/mL)(25 mL) - (0.1482 mmol/mL)(29.04 mL) ) / ( (1000 mg/g)(1.3010 g) )what is the answer i got -.0012 but its
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2. asked by chris
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A solution of volume 80.0 mL contains 16.0 mmol HCHO2 and 9.00 mmol NaCHO2.If 1.00 ml of 12 M HCl is added to this, what will be
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2. asked by Kat
3. 1,050 views
If 1 antacid tab neutralizes 6.84 mmol of HCL (36.46 g/mol). How many tabs are needed to neutralize 125 mL of stomach acid.
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2. asked by Terry
3. 462 views
In 1 antacid tab neutralizes 6.84 mmol of HCL (36.46 g/mol). How many tabs are needed to neutralize 125 mL of stomach acid.
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2. asked by Terry
3. 517 views
A solution of volume 80.0 mL contains 16.0 mmol HCHO2 and 9.00 mmol NaCHO2.If 1.00 ml of 12 M HCl is added to this, what will be
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2. asked by chma11 student
3. 643 views