After refining, the last step in the process is tempering the chocolate, and if you watch a lot of cookery competitions, you will know how difficult this step can be! To truly understand this crucial technique, you'd need to take a look at the chemistry behind it. The science of ...
Calculate the number of moles in 2.10 grams of KCr(SO4)2 12H2O. Calculate the number of moles in 23.5 grams of O2. Calculate the number of grams in 0.5 moles of F_2. Calculate the number of moles of F 2 in 4.9 g. Calculate the number of moles of O present i...
If you see "normal" as "expected," even in the chemical sense this is more or less on target: A normalized preparation is one that has been created in proportion or relation to an established standard. To discover how to calculate the normality of NaOH, or how to convert from normality ...
Method 1 – Apply Excel IF Function to Calculate Subject Wise Pass or Fail Suppose we have a dataset in Excel that contains the Subjects and Marks of a student. Steps: Select the cell (D5) where you want to show the result. Type the following formula: =IF(C5<70, "Fail","Pass") ...
3. Calculate Molarity Divide the number of moles of NaCl by the volume of the solution to get molarity. 0.21 moles ÷ 0.59 liters = 0.356 M. References Royal Society of Chemistry: Periodic Table ThoughtCo: What Is a Mole in Chemistry?
The INDIRECT functionfinds all scores inChemistry, theAVERAGEfunction calculates the average scores. Use theFill Handleto copy the formula. 1.4. Determining the Average with Criteria A student obtains 0 and you need to ignore the 0. To calculate the average of scores greater than 0: ...
Learn how to calculate mass concentration, and see examples that walk through sample problems step-by-step for you to improve your chemistry knowledge and skills.
Even if the question would have been to calculate the pH of a solution of 0.1 M HCl 0.2 M NaOAc the question would have been anything else than hard to solve, too. Adding 0.1 mol of HCl to 0.2 mol of NaOAc will give you 0.1 mol acetic acid and 0.1 mol acetate whic...
Learn how to calculate free energy and cell potential, and see examples that walk through sample problems step-by-step for you to improve your chemistry knowledge and skills.
To calculate the CV for a sample, the formula is: CV=s/x∗100CV=s/x∗100 where: s=sample x̄= mean for the population Multiplying the coefficient by 100 is an optional step to get a percentage rather than a decimal. CV in Excel ...