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  1. ... for Oxygen is 2. In reality, 1.99 is almost the same with 2. But 2.01 is bigger than 2...

    1 Answers · Science & Mathematics · 23/04/2012

  2. there are 1000 g in a kilogram and 1000 moles in a kilomole so 1 kilogram / kilomole = 1000g/1000moles = 1g/mole conversion is 1:1 99.5g/mole = 99.5 kg/kmol

    3 Answers · Science & Mathematics · 20/01/2010

  3. ... of Water . M.W. of Methane = 16 g (1.99 x 10^-9) / 16 = 1.24 x 10^-10 = moles of methane M.V. of...

    1 Answers · Science & Mathematics · 11/10/2012

  4. do an ICE table for the reaction HA + H2O -> A- + H3O+ Ka= [A-][H3O+]/[HA] pH=-log([H+]) plug in the pH, solve for H+ and you get the change in concentration...

    2 Answers · Science & Mathematics · 07/11/2011

  5. 1 mL of your 1000 mg L-1 stock is added to 99 mL diluent to give you 100 mL 10 mg L-1 working solution. 10 / 1000 = 1 / 100 = 1 + 99.

    1 Answers · Science & Mathematics · 23/12/2010

  6. ...gas constant = 0.08206 (L*atm)/(mol*K) T = temperature = 273K PV = nRT (1 atm)(V) = (1.99mol)(0.08206 (L*atm)/(mol*K)(273K) V = 44.58 L What do you think?

    1 Answers · Science & Mathematics · 11/10/2012

  7. ...from 100 to 126 degrees Celsius: q = mcΔt q = (866 g) * (1.99 J/g*C) * (26 C) q = (44806.8 J / 1) * (1 kJ / 1000...

    2 Answers · Science & Mathematics · 18/08/2011

  8. ...you stated, the total mass of Cl and Br is equal to 1.99 g - 0.76 g = 1.23 g. Two unknowns require two equations...

    2 Answers · Science & Mathematics · 09/09/2008

  9. to convert grams to moles, all you need to do is divide by the molar mass. The molar mass of SO2 is 64...

    2 Answers · Science & Mathematics · 18/01/2012

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