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Write down the symbols and unit for the following: mass, molar mass, molar and molarity
Write down the relationship between mass and molar mass and show that the units match.
Write down the relationship between drug volume and volume and show that the units match.
Explain the expression: "chemically equivalent to".
Explain the difference between"theoretical yield" og "actual yield".
The following reaction is started with 20 moles of H2 and 8 mol O2. Which reactant is the limiting factor?
Write down the equation for the solution of Cu (NO3)2 in water and enter the actual concentrations of copper (II)-ions and nitrate ions in a solution where the formal concentration of Cu (NO3)2 is 0.12 MCu(NO3)2 is readily (easy) soluble in water.
Write down the equation for the solution of AI2 (SO4) 3 in water and enter the actual concentrations of aluminum ions and sulfate ions in a solution where the formal concentration of AI2 (SO4) 3 is 0.10 M. Al2(SO4) 3er readily soluble in water.
To study the physical fitness of a sample of 28 people, the data below was collected representing the number of sit-ups that a person could do in one minute. 10 12
Correlation The correlation is commonly used and a useful statistic used to describe the degree of the relationships between two or more variables. Pearson's correlation refle
#quesgraphical representation of data
Simulation When decisions are to be taken under conditions of uncertainty, simulation can be used. Simulation as a quantitative method requires the setting up of a mathematical
Lorenz Curve It is a graphic method of measuring dispersion. This curve was devised by Dr. Max o Lorenz a famous statistician. He used this technique for wealth it i
b. A paper mill produces two grades of paper viz., X and Y. Because of raw material restrictions, it cannot produce more than 400 tons of grade X paper and 300 tons of grade Y
Statistical Keys To do statistical operations we must first set the calculator on SD mode [SD stands for "standard deviation" which is the usual st
Correlation The board of directors of Bata Company is faced with the problem of estimating what the annual sales might be in a shop to be opened in Bagpur where Bata has not op
data:59,59,65,70,74 176,179,195,210,200
Variance The term variance was used to describe the square of the standard deviation by R.A.Fisher. The concept of variance is highly important in areas where it is possible to
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