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What does gfm mean on gold jewelry?
What does gfm stamp mean on a gold chain necklace
How many grams of CuO will form from 140 grams of copper and excess oxygen?
The balanced chemical equation for the reaction between copper and oxygen to form copper(II) oxide (CuO) is: 2Cu + O2 -> 2CuO From this equation, we can see that each mole of copper (63.5 g) will form one mole of CuO (80 g). Therefore, 140 grams of copper will form 140 grams of CuO.
What is the gfm of anhydrous salt?
The gram formula mass (gfm) of an anhydrous salt is the sum of the atomic masses of all the elements present in the formula without the water molecules. It is calculated by adding up the atomic masses of the elements in the chemical formula of the compound.
What are some good brands for a leather tote?
There are many hundreds of different brands of leather tote bags available. Some which are popular and well maid include Daseaux and GFM. The key is to look for a good Italian leather.
A 40-kg football player going through the air at 4 m s tackles a 60 kg player who is heading towards her at 3 m s in the air What is the speed and direction of the entangled players?
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Calculate the number of grams of CH3COOH in the vinegar?
To determine the number of grams of CH3COOH in vinegar, you would need to know the concentration of acetic acid (CH3COOH) in the vinegar, usually expressed in percentage or molarity. Once you have this information, you can use the formula: Concentration (g/L) * Volume of vinegar (L) = Grams of CH3COOH.
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How many moles of He are in 16 g of element?
using the formula: n=m/gfm no. of moles=mass/gfm you take the gram formula mass (gfm) as 4. and given the mass is 16g, both numbers can be substituted into the formula... n=16/4 = 4 the number of moles present in 16g of helium is 4 moles.
Can a convicted felon get into the us marine corps?
Felons Wanting to be Marines Beware! While I wouldn't "hold my breath" expecting a waiver from the Marine Corps for a felony conviction, "anything is possible" judging by the Navy/Marine Corps Criteria at the below site: : GFM Lt USMC Ret. Former 2X Recruiter
What is the Atlantic coastal plain is known for?
On one side, it is known for its beaches. ON the other, it's known for farming.
How much does one mole of iron atoms weigh?
Use the equation; mass=moles*gramformulamass or m=n*gfm m=2*55.8 = 111.6g in two moles of Iron gfm or the molecular mass of a compound can be found by adding the Relative atomic masses of each element in the compound together. For example - Carbon dioxide CO2 The formula contains 1 Carbon atom and 2 Oxygen atoms (RAMs should be found in a datasheet/book or provided in the question. RAM = relative atomic mass) RAM Carbon = 12 RAM Oxygen = 16 gfm of CO2 = 12 + 32 = 44 or 1mole of CO2 = 44g
How do you prepare 0.2N Sodium chloride solution?
To prepare a 0.2N sodium chloride solution, you need to dissolve 3.8 grams of sodium chloride (NaCl) in distilled water and dilute to 1 liter. This will give you a solution containing 0.2 moles of NaCl per liter of solution.
