Questions tagged 'Moles'
32 questions
Dec 31, 2024
Number of O atoms in 5.25×10−3mol Al(NO3)3?
I would appreciate assistance with calculating the number of oxygen (O) atoms in 5.25 × 10−3 moles of Aluminum Nitrate, Al(NO₃)₃. If possible, I would like to have this information before midnight. Th...
Exactly 1 mol Hg2(NO3)2 contains how many moles of Hg, N, and O?
In a sample containing exactly 1 mole of Hg2(NO3)2, how many moles of mercury (Hg), nitrogen (N), and oxygen (O) are present?
Dec 30, 2024
What is the mass in grams of 0.250 mol of the common antacid calcium carbonate?
What is the mass, in grams, of 0.250 moles of the common antacid calcium carbonate (CaCO₃)? The options are: 400 g, 25.0 g, 17.0 g, 0.0400 g, and 0.00250 g.
What volume of 0.220 M ethanol solution contains each of the following number of moles of ethanol?
How many milliliters of a 0.220 M ethanol solution are needed to contain 0.46 moles of ethanol? How many milliliters of a 0.220 M ethanol solution are needed to contain 1.22 moles of ethanol? How...
Apenny has a mass of 2.50g and the moon has a mass of ×7.351022kg, how many moles of pennies have a mass equal to the mass of the
A penny has a mass of 2.50 g, while the mass of the Moon is approximately 7.35 × 10^22 kg. How many moles of pennies would equal the mass of the Moon?
How many moles of cao form when 98.60 g caco3 decompose
How many moles of CaO are produced when 98.60 g of CaCO3 decomposes?
Dec 07, 2024
determine the mass of in grams of 0.0489 mol cobalt?
Could someone please help me determine the mass, in grams, of 0.0489 moles of cobalt? I'm having trouble figuring it out! Thank you!
Dec 04, 2024
How to solve for moles when given molecules?
A thimble of water contains (4.0 \times 10^{21}) molecules. How do I calculate the number of moles of H₂O from this information? The options provided are: 1. (2.4 \times 10^{23}) 2. (6.6 \times 10^{-2...
How many moles of oxygen are produced if 11.0 mol of al are produced?
How many moles of oxygen are produced when 11.0 moles of aluminum are reacted?