1.23 x 10^18 atoms of Zinc
Worked Out
Molar Conversions
Worked Out 65.3 grams of Lead(3) Sulfate Molar Conversions
Part A Calculate the mass of 1.23 x 1024 helium atoms. Express your answer in grams of helium. Vo ΑΣΦ mass of He atoms g He Submit Request Answer Part B Determine the number of atoms in a 48.3-g sample of zinc. Express your answer in zinc atoms using scientific notation. ΑΣφ Zn atoms Submit Request Answer
The Ksp, of zinc carbonate, ZnCO3, is 1.46 x 10^-10 Calculate the molar solubility of this compound.
15) Determine the molar solubility of BaF2 in pure water. Ksp for BaF2 = 2.45 x 10-5. A) 1.83 x 10-2 M B) 1.23 x 10-5 M C) 2.90 10-2 M. D) 4.95 x 10-3 M 15) E) 6.13 x 10-6 M
Carry out the following calculations and conversions concerning Ca(HCO_3)^2 Determine the molar mass for Ca(HCO_3)^2 Convert 3.52 g of Ca(HCO_3)_2 to number of mole. What is the mass (in grams) of oxygen contained in 0.57 mol of Ca(HCO_3)_2? How many calcium atoms are contained in 3.52 g of Ca(HCO_3)_2?
How many zinc atoms are in 0.081 g of Zn, the mass of zinc in the coating of a typical washer? O 7.46 x 1020 O 4.88 x 1022 1.24 x 10-3 807
How many moles of zinc, Zn , are in 1.37 × 10 24 Zn atoms?
Precipitation Question What is the Kip for the following equilibrium if zinc hydroxide has a molar solubility of 1.44 x 10-6 M? Zn(OH),(s) = Zn²+ (aq) + 2 OH" (aq) Select the correct answer below: O 6.65 x 10-15 O 1.19 x 10-17 O 3.88 x 10-19 O 9.95 x 10-21 FEEDBACK MORE INSTRUCTION Content attribution
Question 18 of 21 What is the molar solubility of AgCl (Ksp = 1.80 x 10^º) in 0.620 M NH3? (Kf of Ag(NH3)2* is 1 x 10) | 1 2 3 +/- 0 x 100
What is the molar solubility of zinc hydroxide at pH 12.34? For Zn(OH)2, Ksp = 2.1 x 10-16; for Zn(OH)42-, Ky= 2.8 x 1015 a) 1.2 x 10-25 M b) 1.3 x 10-2 M c) 3.7 x 10-6 M d) 1.4 x 10-8 M e) 2.8 x 10 4 M