K
Kayla
Guest
I dont know how to solve these.. can somebody help me and tell me how they did it...
1.Determine the number of moles if you have 18.066x10^23
2.Find the molar mass of CuO.Determine the moles, if you have 550grams of CuO.
3.Calculate the number of molecules in 7.8g of CH2O
4.Determine the mass, if you have 8.4 moles of magnesium sulfide
5.Calculate the moles of 34g of NO2
Thansk IM SO CONFUSED!!
1.Determine the number of moles if you have 18.066x10^23
2.Find the molar mass of CuO.Determine the moles, if you have 550grams of CuO.
3.Calculate the number of molecules in 7.8g of CH2O
4.Determine the mass, if you have 8.4 moles of magnesium sulfide
5.Calculate the moles of 34g of NO2
Thansk IM SO CONFUSED!!