How many grams of bromine atoms are in 4.7 x 1022 molecules of diphosphorus tetrabromide (P2Br4)? Enter your answer with the correct number of sig figs.
How many oxygen atoms would be contain in 100.0 grams of sodium acetate?
How many daL of bromine atoms are in 90 x 1022 bromine atoms? (The density of bromine is 3.1 g/cm3)
How many grams of phosphorus, P, would contain the same number of atoms as 207.2 g of lead, Pb? mass: mass: g
a) How many atoms are in 92.2 g of pure aluminum? b) How many grams of carbon, C, would contain the same number of atoms as 39.948 g of argon, Ar? c) How many grams of S are in 785 g of SO2?
A.) How many ATOMS of carbon are present in 5.64 grams of carbon tetrabromide ? B.) How many GRAMS of bromine are present in 9.90×1021 molecules of carbon tetrabromide ? . C.) What is the mass of a tetraphosphorus decaoxide molecule ?
How many bromine atoms are present in 26.0 g of CH2Br2 ??
how many grams of bromine are required to make 50.0 g of a 7.00% by mass solution of bromine?
How many grams of Ca3(PO4)2 contain 8.0 x 10^21 ions of Ca2+? Step by step please.
21) How many moles of NCl3 contain 2.55 × 1024 chlorine atoms? A) 1.41 moles NCl3 B) 4.23 moles NCl3 C) 12.7 moles NCl3 D) 7.87 moles NCl3 E) 2.82 moles NCl3 Can someone please explain step by step how to get the correct answer witch is A.