Calculate the ethanol in a light lage, Chemistry

20.0 mL of 0.2 M CaCl2 diluted with water to 100.0 mL. Calculate [CaCl2], [Ca2+] and [Cl-].

Produce from concentrated hydrochloric acid (12 M) 3.0 L 0.60 M HCl solution. How large a volume of concentrated hydrochloric acid should be used? Write down all calculations with units.

Of a 2.0 M NaOH solution should be produced 0.5 L 0.1 M NaOH solution. How large a volume of 2.0 M NaOH must be used? Write down all calculations with units.

From a 2.5 M HCl solution is transferred 5 mL to a 50 mL volumetric flask. Make water in the flask to the mark. What is the concentration of HCl in the flask? Write down all calculations with units.

In a light lager alcohol content is 1.8% w / w. d = 1.00 g / mL. A plain. beer contains 0.33 L.

How many grams of ethanol in a light lager and enter the result with the correct number of significant digits?

Calculate the [ethanol] (mol/L) in a light lager? (Methanol = 46.07 g/mol). Enter the result with the correct number of significant digits.

Sodium thiosulfate reacts with silver halide to form natriumbromid and natriumsølvthiosulfat, Na3[Ag (S2O3)2].

2 Na2S2O3 (aq) + AgBr (s) → NaBr (aq) + Na3 [Ag (S2O3)2] (aq)

1. How many moles Na2S2O3 react with 1.0 mg of AgBr. Enter the result with 3 significant digits.

2. Calculate how much silver halide is required to produce 0.033 mol Na3 [Ag(S2O3)2]. Enter the result with 3 significant digits.

Posted Date: 3/1/2013 5:08:26 AM | Location : United States







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