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1. ### How do I convert 1 microgram to 100 nanograms?

... = 10^9 nanograms 1 microgram = 1000 nanograms Do you mean molarity (i.e. converting 1 microgram/L to 100nanograms/L?) If so, you would dilute the solution by 10 (so add 1 ...

4 Answers · Science & Mathematics · 20/02/2007

2. ### At an elevated location with an atmospheric pressure of 0.900 atm, how much table salt (NaCl in grams)?

...we want to raise the BP of water from 96.6 C to 100 .0 C, an increase of 3.4 C. delta Tb...i = moles of ions produced by 1 mole of NaCl = 2 Kb = boiling point...

2 Answers · Science & Mathematics · 27/10/2011

3. ### Please help ASAP with Chem question What will happen? Add 1 mM of Ni2+ to 100 mL of solution (at equilibrium) containing: Ag2S -> Ag+ + S2-?

... Ni2+: I assume you mean 1 mmol of Ni2+ added to 100 mL of solution. If you do mean 1 mM then you also need a volume added. If 1 mmol then the initial...

1 Answers · Science & Mathematics · 01/04/2015

4. ### How long does it take to boil water?

It depends on the amount of heat it is being exposed to .

1 Answers · Science & Mathematics · 28/08/2010

5. ### How do I dilute 1 :10, 1 :30 and 1 :300 in microliters?

...and dilute to a total of 1000( add 900 uL of diluent. so for a 1 :30 ...dilute 1 uL to exactly 30uL or dilute 10uL to exactly 300 uL, or 100uL...

1 Answers · Science & Mathematics · 23/06/2008

6. ### Can anyone tell me what this Water and pH question means?

... per gram (thus approximately 1 calorie per gram); (2) The heat of vaporization of water at 100 °C is 539 calories.../(mol K) at 100 °C ( to raise it to 101°C), or 0.365 ...

5 Answers · Science & Mathematics · 27/01/2009

7. ### Stock solution dilution. Chemistry Lab Help.?

You take 1 mL of the stock solution, and dilute it to 100mL with distilled water. That's a 1 / 100 dilution.

2 Answers · Science & Mathematics · 23/03/2008

8. ### Predict Ksp for each compound?

...molar solubility. For the second one it it already in that format, so we need to change only the one of CaF2. The molecular weight of CaF2 is:40+2*19 = 78 So you have 1 .70 mg/ 100 mL = 1 .7 *10^-3 g/100mL = = 1 .7*10^-2 g/L =( 1 .7*10^-2...

1 Answers · Science & Mathematics · 08/03/2007

9. ### How many calories does it take to heat 100 g of water?

... Heat) Q=(100grams)(10Celcius)( 1 .00 cal) ------------------------ grams * Celcius... the same as cal ---- g x C = 1000 cal reported to one significant figure

3 Answers · Science & Mathematics · 12/04/2009

10. ### How to find the number of molecules from: 100 .02 g/mol?

The molecular weight of CaC03 ( 100 .02 g/mol) is irrelevant in figuring...something it means you have quantity equal to avogadro's number: 6.022E23. So 1 mole of CaC03 means you have...

2 Answers · Science & Mathematics · 27/09/2011