Re: How to i convert g/mol to mol% g/dm3 mg/ml « Reply #9 on: November 17, 2011, 06:49:41 PM » You have the concentration in mmol/L, and you want to convert to g/L (which is the same as g/dm3). Hint: use the molar mass. Once you have it in g/L converting...
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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 Pb2+ / L step 3: find moles by using moles / L and L: 0.30 moles Pb2+ / L x 0.005 L = ...
How many grams of sulfosalicylic (254g/mol) are required to prepare 1L of a 3% weight by volume solution? How to convert molecular weight from g/mol to lb/mol? Calculate the moles of Zn(NO3)2 in 143.50 g of this substance. Convert a mass of 6.16/lb to grams (2.2 pounds =1 kil...
The conversion of joules (j) to moles (mol) commonly is calculated when measuring the energy changes during chemical reactions. A joule is a measure of energy; a mole is a measure of mass. If a chemical reaction produces a certain amount of energy, you c
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Because 1 mol = 1,000 mmol, 0.05 mol = 50 mmol. Step 2: Find the Mass of the Substance Present From step 1, 1 mmol of potassium = 39.1 mg. Therefore, 50 mmol = (50)(39.098) = 1,955 mg. Step 3: Convert to Parts Per Million ...
Explain (step by step) how to calculate the number of molecules present in a sample. a) 2.0 mol of Ammonia. b) 1.6 mg of water Explain how to convert atoms to moles. Calculate the mass in grams of a single water molecule. Express your answer using four significant figures. ...
Use this number toconvertgrams to moles. moles of KMnO4= 23.7 g KMnO4x (1 mol KMnO4/158 grams KMnO4) moles of KMnO4= 0.15 moles KMnO4 Now the liters of solution is needed. Keep in mind, this is the total volume of the solution, not the volume of solvent used to dissolve the solute...
To find the molarity, you can divide the number of moles by the volume of the solute (in liters): 0.36molNaCl0.1L=3.6MNaCl This means that a 21% w/v solution of NaCl is the same as a 3.6 solution of NaCl. In this way, you can convert between concentration designations. References...