2016年5月7日 · Calcium nitrate The name of the compound Ca(NO_3)_2 is Calcium nitrate. An ionic compound, is a compound that contains a metal element in its formula unit. Metal …

2018年2月28日 · Try 2 HNO3, which gives 6 O atoms, and I had 2 from the Ca(OH)2 already, so I have a total of 8 O atoms now. Right side, you need 8 total, but only have 7. Since H20 has …

2017年12月2日 · NO_3 has 3 atoms of oxygen in it per molecule (indicated by the subscript of 3) and (NO_3)_2 means you have 2 NO_3 molecules, meaning you double the subscript to get 6 …

2016年5月16日 · "745 mmHg" The idea here is that you need to find the number of moles of particles of solute present in your solution. Knowing this will allow you to find the mole fraction …

2016年9月1日 · A sample of calcium nitrate, #Ca(NO_3)_2#, with a formula weight of 164 g/mol, has #5.00 x 10^25# atoms of oxygen.

2017年9月17日 · The molar mass of #"Ca(NO"_3)_2# is calculated by multiplying the molar mass of each element by its subscript (remember to multiply the subscripts for #"NO"_3"# by #2#) …

2021年5月30日 · b. is the correct answer. The balanced equation shows that 2 moles of Cu(NO 3) 2 are required for each mole of Ca used. As 1.5 moles of Ca is used, there would have to be …

2017年7月9日 · Here's what I get. > a) Type of reaction The chemical equation is "CaO" + "2HNO"_3 → "Ca"("NO"_3)_2 + 2"H"_2"O" In one sense, this is a double displacement …

2020年5月5日 · Ca(NO 3) 2 (aq) + 2HCl(aq) ==> CaCl 2 (aq) + 2HNO 3 (aq) This reaction DOES NOT OCCUR because no precipitate, gas or liquid is formed as a product. All species are fully …

2016年2月1日 · Possibly no. The idea here is that calcium nitrate, "Ca"("NO"_3)_2, and sodium hydroxide, "NaOH", will react to form calcium hydroxide, an insoluble solid, if and only if they …