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How many moles are in 50.4g of CaBr2
A. Find the length of the following confidence interval.
1. Upper limit = 0.995
Lower Limit = 0.437
2. Upper limit = 394.14
Lower Limit = 354.74
3. Upper limit = 0.02946
Lower Limit = 0.02244
4. 0.475 < p < 0.735
5. 0.355 < p < 0.570
When 2.00 grams of KMnO4 (MW = 158.0 g/mol) is dissolved into 100.0 mL of solution,
what normality results? How many grams of KMnO4 are needed to make 500.0 mL of
a 0.200 N solution?
Convert 0.169 Molar HC2H3O2 to % (m/V).
One gram of sodium hydroxide pellets is dissolved in two hundred-fifty milliliters water.
What is the molarity, molality and normality of the solution? Assume that the density
of solution to be approximately that of the water and the density of sodium hydroxide
pellets to be 2.13 g/cm3
- What is the [H3O+ ] of 1.0 M HF mixed with 1.0 M NaF. Ka = 6.6 x 10-4
if 100cm of hydrogen is sparked with 40cm3 of oxygen to produce H2O at s.t.p, calculate the volume of the gas that is in excess
Assignment 1: Application of static fluid principles
10.A reservoir of carbon tetrachloride has a mass of 500Kg
and a volume of 0.315 m^3. Find:
a) Weight of carbon tetrachloride
b) Mass density of carbon tetrachloride
c) Specific weight of carbon tetrachloride
d) Specific gravity of carbon tetrachloride
explain how you would isolate, purify and identify a mixture of liquid containing butyric acid, palmitic acid and linolenic acid natural product ANSWERS
Use the localized electron model to describe the bonding in hydrogen cyanide and
Phosgene (COCl2).
