Asked by Benjamin

Anyone have answers to the Mass and Atoms Quick Check?
Answered by heyo ❄️
1. Which statement describes the quantities that can be found using the number of moles?
-It can be used to find the number of molecules, atoms, or ions.

2. A scientist uses 3 g of water (H2O) in an experiment. Which option describes the first step in calculating the number of molecules in 3 g of water?
-Identify the molar masses of H and O.

3. The molar mass of ammonia (NH3) is 17.03 g/mol. Which expression correctly shows how to determine the number of moles of ammonia equivalent to 5 g?
-5 g× 1mol/17.03

4. How many molecules of carbon dioxide (CO2) are there in 0.450 mol of carbon dioxide?
-2.71×10^23

5. When magnesium chloride (MgCl2) is dissolved in water, which statement must be true?
-The sum of the mass of the Mg2+ ions and the mass of the Cl- ions must be equal to the mass of MgCl2.
Answered by Benjamin
heyo ❄️ is correct Thanks a bunch!
Answered by xItsDangerous
Heyo is clutch
Answered by ❄️Marissa❄️
Excuse you
Answered by heyo ❄
what does that mean?
Answered by ❄️Marissa❄️
He’s calling you a mean name….I think. Oh nvm
Answered by f2p genshin boy
no it means he helped him while he was in a tight spot. its a good thing Marissa 😭😭😭
Answered by Berry Cerry
Can someone find the answers to Ecology Chemistry Unit Test
on pearson Please!? Please and thanks you soo much!!
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