Calculate the mass of glucose
Calculate the mass of glucose in a 105 sample of a 1.18 glucose solution.
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For the following reaction, label the acid, base, conjugate acid, and conjugate base. Given the following values for Ka, circle the stronger acid and stronger base and predict whether the equilibrium is toward the reactants or products. Will the f
A 1.00-g sample of carbon from a modern source gave 22 080 disintegrations per day. If the decay constant of carbon-14 is 1.2 × 10-4 y-1, what is the age of the dish?
Calculate the mass of hydrogen per oxide needed to obtain0.460Lof oxygen gas at STP. 2H2O2(aq) → 2H2O(l) + O2(g)
The half-life of strontium-90 is 28 years. How many grams of this nuclide in a 4.00 g sample will remain after 112 years?
A 250 mL stock solution contains 2.3 M Ca(CN)2. When 100 mL of the stock solution is diluted to 125 mL, how many moles of CN- ions will be contained in the dilute solution?
Why is a buffer composed of HC2H3O2 and NaC2H3O2 more effective maintaining the pH of a solution at pH 4.75 than is a buffer composed of HCN and NaCN?
Nitric acid is usually purchased in a concentrated form that is 70.3% HNO3 by mass and has a density of 1.41 g/mL. How much concentrated solution would you take to prepare 1.15L of 0.105M HNO3 by mixing with water? & ;
Assuming the acceleration is constant during each time interval (but not necessarily the same in both intervals), what distance does the shuttle travel during the first 8.00s ?
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