Calculating the initial concentration of a solution – otherwise known as molarity – is an important process commonly found in the chemical and biochemical world. Molarity is the number of moles of solute per liter of solution. Therefore, you need to determine how many moles of a solute are i...
Divide the mass of solvent by 1,000 to change it into units of kilograms. Using the above example, you would divide 863.6 g by 1,000 to get 0.8636 kg solvent. Step 6 Divide the original moles of chemical in 1 liter of solution by the mass of solution in kg. The result is the mol...
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Finally, you can convert from moles to millimoles. There are 1,000 millimoles in 1 mole: (0.00645 mol NaOH/1 L)x(1000 mmol/1 mol) = 6.48 mM NaOH. A one liter solution that contains 259 milligrams of NaOH is thus a 6.48 mM solution....
Converting 0.1o g NaCl to moles, we have 0.1o g / 58 g/mol = 0.0017 moles Converting 1.0 ml of solution to liters (L) we have 1.0 ml /1000 ml/L = 0.0010 L Dividing moles by liters to get molarity (M) we have 0.0017 moles / 0.0010 L = 1.7 M Upvote • 0 Down...
How to calculate number of ions from moles What is the term for a compound that releases hydroxide ions when dissolved in water? How to calculate solubility in water What is the relationship between the concentration of ions and conductivity in the water? and how to convert each other?
I'll do it in individual steps first, and then show you how to do it all in one calculation: step 1: convert 5 ml to liters. 5 ml x 1 L / 1000 ml = 0.005 L (note ml cancel leaving us with L) step 2: write 0.30 M Pb2+in units of mol / L. 0.30 M = 0.30 moles Pb...
The number 7 for a cholesterol level would not be a measurement in mg/dL, used in the U.S., but it may be in a measurement used in other countries. Canada, for example, uses millimoles per liter, or mmol/L, for cholesterol tests. 7 mmol/L is a very high LDL level....
The number 7 for a cholesterol level would not be a measurement in mg/dL, used in the U.S., but it may be in a measurement used in other countries. Canada, for example, uses millimoles per liter, or mmol/L, for cholesterol tests. 7 mmol/L is a very high LDL level....
Step 3: Find how many moles of each ion will be present in 1 liter of the solution at equilibrium if {eq}x \: \frac{mol}{L} {/eq} of the compound dissolves to reach equilibrium. Since 1 mole of {eq}Ag_{2}S {/eq} dissolves into 2 moles of {eq}Ag^{1+} {/eq} and 1...