Understanding Cookies and Data Use

The branch of pharmaceutical chemistry which involves the process of identification, determination, quantification, and purification of substances.

<p>False</p> Signup and view all the answers

<p>The three types of pharmaceutical analysis are: 1) Qualitative Analysis, 2) Quantitative Analysis, and 3) Semi-Quantitative Analysis.</p> Signup and view all the answers

<p>Sodium carbonate</p> Signup and view all the answers

<p>Primary standards are highly pure and stable substances with known and accurately measured concentrations, while secondary standards are less pure and need to be standardized against a primary standard.</p> Signup and view all the answers

<p>Molarity is the number of moles of solute dissolved in one liter (1 L) of a solution.</p> Signup and view all the answers

<p>Mole fraction is the ratio of the number of moles of a component (solute) to the total number of moles of all components (solute and solvent) in a solution.</p> Signup and view all the answers

<p>Percentage concentration is the amount of solute present in a given amount of solution, expressed as a percentage.</p> Signup and view all the answers

<p>Parts per million (ppm) is the amount of solute present in one million parts of solution, expressed as a concentration unit.</p> Signup and view all the answers

<p>Common sources of error in chemical analysis include: 1) Sampling error, 2) Analyst error, 3) Equipment error, 4) Observation error, 5) Calculation error.</p> Signup and view all the answers

<p>The three types of error in chemical analysis are: 1) Systemic errors (determinate), 2) Random errors (indeterminate), and 3) Gross errors.</p> Signup and view all the answers

<p>Common methods for minimizing errors in chemical analysis include: 1) Proper calibration of instruments, 2) Blank determination, 3) Control determination, 4) Independent methods, 5) Parallel determination.</p> Signup and view all the answers

<p>Accuracy refers to the closeness of a measurement to the true value, while precision refers to the closeness of repeated measurements to each other.</p> Signup and view all the answers

<p>Significant figures represent the digits in a numerical value that contribute to its precision and accuracy, conveying the reliability of the measurement.</p> Signup and view all the answers

<p>General rules for identifying significant figures include: 1) All non-zero digits are significant, 2) Zeroes between non-zero digits are significant, 3) Trailing zeroes after a decimal point are significant, 4) Leading zeroes are not significant.</p> Signup and view all the answers