To do this, you need to find a way to relate the mass of a compound (salt) to the number of moles of that compound. The molar mass of elements tells you the molar mass of a compound, so you can figure this out. Molar Mass Definition The molar mass definition is the grams of a ...
Re: How do you calculate the molar mass? « Reply #1 on: February 18, 2008, 01:11:37 PM » Mikey, I will say that 8H2O is part of the composition and you should threat like that! the rest of the calculations is yours, I can write the whole process but the rules says that ...
The molar mass of any solid, liquid, or gaseous substance is the number of grams of the substance in its molecular (molar) form that contains 6.0221367 X e^23 atoms of the substance (Avogadro's Number). This is because the mass of a substance is dependent on the molecular weight of the...
Does mass affect the period of a pendulum? How do you calculate molar mass from the equivalence point? Explain inertia and the factors on which it is dependent. Can mass be defined as quantity of matter contained in the body? If not give a reason. ...
Calculate Mass Percent: mass solute divided by mass final solution multiplied by 100% symbol: % Example: The alloy Nichrome consists of 75% nickel, 12% iron, 11% chromium, 2% manganese, by mass. If you have 250 grams of nichrome, how much iron do you have?
I have asked two times the following question:I want to calculate the gas concentration, in ppm, in the closed chamber of volume 1025 cm3. I have a cylinder of mixture of NH3 and air with the 10 and 90% ratio respectively. we are flowing this gas mixture
Example 1: Calculate the temperature change that results from adding 250 J of thermal energy to 0.50 moles of mercury. Visualize the diagram of the Heat System and Surroundings with the arrow direction going into the system. Use the formula: _q = nCmΔT_ Since you are asked for the change...
I guess mM means milli molar. So it is 0.00512 mM = 0.00512 mmol/lWith the molecular weight you can calculate the others. Logged Aetos Regular Member Posts: 49 Mole Snacks: +1/-1 Gender: Studying Forensics Re: How to i convert g/mol to mol% g/dm3 mg/ml « Reply #6 on:...
In the first case, you usually have to weigh the individual components of a compound and calculate the number of moles of each. In the second case, you can usually find the mole ratio by balancing the equation for the reaction. Molar Mass Calculator Common Compounds Periodic Elements ...
alice-photo/iStock/GettyImages To calculate the molecular mass of a compound, you need to know two things. The first is the molecular formula, and the second is the atomic mass number of each of the elements that comprise it. The atomic mass number for each element is listed in atomic...