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  1. I will do the work here, then explain it: 1 . 99 mole Zn * (6.022 * 10^23/ 1mole) = 1 .198 * 10^24 ... order to find the number of atoms in 1 . 99 moles of Zn, multiply that number by ...

    1 Answers · Science & Mathematics · 16/12/2012

  2. MV = mass / molar mass (0.55 mol/L) ( 1 . 99 L) = x / 40.0 g/mol x = 43.78 g Rounded off to two sig figs, 44 g

    1 Answers · Science & Mathematics · 09/10/2012

  3. Mg + 2 HCl → MgCl2 + H2 ( 1 . 99 g Mg) / (24.30506 g Mg/mol) = 0.081876 mol Mg (0.1000 L...

    1 Answers · Science & Mathematics · 30/10/2012

  4. a mole is 6.022 x 10^23 particles. particles include atoms or molecules. so in this example we divide 1 . 99 x 10^25 by 6.022 x 10^23 = 33.0 mol

    1 Answers · Science & Mathematics · 09/07/2010

  5. N means normality which is equivalents per liter for acids 1 equivalent = 1 mole of H+ therefore 1 N HCl = 1 M HCl thus you have 1 mole/liter HCl

    2 Answers · Science & Mathematics · 29/07/2010

  6. 92 U 235 + 0n1 ===> 40 Zr 99 + 52 Te 135 + 2 0n1 The atomic numbers must balance on each side. The atomic mass numbers must balance on each side.

    1 Answers · Science & Mathematics · 18/10/2011

  7. ...iodide = 126.9045 g/mol so total = 166.0028g/mol KI ( 1 . 99 g KI)( 1 mol KI / 166.0028g) = 0.0119877 mol KI Notice...sure to have the right significant digits (3), which I did not do for you.

    2 Answers · Science & Mathematics · 24/05/2011

  8. ....C. based modern Rock FM radio station) is 99 . 1 Mhz. That's where you'll actually find the station on your...

    2 Answers · Science & Mathematics · 08/11/2007

  9. ... 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

  10. ... have 1997 rounded to its most significant digits 1 9 and 9. It would either round up to 2000 or down to 1990. Because the...

    5 Answers · Science & Mathematics · 07/12/2008

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