How many of the following are ionic? NiCl 2 CaCl 2 Mg(OH) 2 SO 2 BaCl 2 C 6H 12O 6 O 2 CaCO 3

Q: Calculate the percentage by mass of lead in PbCO3. O77.54 O 73.05 17.96 O 22.46 89.22

A: Mass percentage is one of the way of representing the concentration of an element in a compound or a…

Q: 2Fe(OH)3 + 3(NH4)2SO4. Calculate the mass of (NH4)2SO4 produced when 3.67 g Fe(OH)3 Consider…

A:

Q: Calculate the mass in grams for 8.86 x 10^2 moles of PCl3.

A: Molar mass of PCl3 has to be calculated: gram atomic mass of Phosphorous (P) = 31 g gram atomic mass…

Q: Quartz, SiO2, contains 46.7% silicon. What mass of silicon is present in 370 g of quartz?

A: To solve this problem we have to calculate the mass of silicon present in quartz .

Q: Gypsum, CaSO4 · 2 H2O, is used to manufacture cement. What is the mass percent of water in this…

A: Given :-  molecular formula of gypsum =  CaSO4 · 2 H2O  To calculate :-  mass percent of water in…

Q: The total number of atoms in Ca(OH)2

A: Ca(OH)2 is a base and its name is Calcium hydroxide. Atom is the smallest entity of any element and…

Q: How many H atoms are there in (3.80x10^2) grams of H2O?

A: Number of moles = Mass/Molar mass Number of atoms in 1 mole = 6.0224 x 1023 Molar mass of water =…

Q: According to the balanced chemical question below, how many grams of K 3N can be formed from 0.61…

A:

Q: Assuming all gases are at the same temperature and pressure, how many of hydrogen iodide are…

A: We have to find the  mass of HI formed

Q: Calculate the number of O atoms in 0.695 g of CaSO4·2H2O.

A: For calculating the number of O atoms in 0.695 g of CaSO4•2H2O first we calculate the number of…

Q: Calculate the percentage by mass of nitrogen in PtCl2(NH3)2.

A: