What is the name of the compound: CH₂CH(OH)CH₂CHO OA. 3-hydroxybutanal O D. 2-hydroxypentanal O C. 3-hydroxypentanol O B. 1- Aldehyde-pentanol < Previous 4

Decide whether each of the following is water-soluble. If soluble, tell what ions are produced. (Use one answer blank per ion. If not soluble, enter "none" in both answer blanks.) These are the solubility rules for the ionic compounds in water at room temperature: Rule Applies to Statement Li+, Na+, K+, Rb+, Cst, Group 1 and ammonium compounds are NH₂+ soluble. C₂H3O2, NO3-, NO₂- 1 2 3 4 5 6 7 8 9 10 Cl, Br, I F C1O3-, C104 SO4²- CO3²- 2- 3 PO4³ 8². OH Acetates, nitrates, and nitrites are soluble. Most chlorides, bromides, and iodides are soluble. Most fluorides are soluble. Most chlorates and perchlorites are soluble. Most sulfates are soluble. Most carbonates are insoluble. Most phosphates are insoluble. Most sulfides are insoluble. Most hydroxides are insoluble. Exceptions No common exceptions Moderately soluble: AgCH3COO and AgNO3 Insoluble: AgCl, Hg₂ Cl₂, PbCl₂, AgBr, Hg₂ Br₂, PbBr2, AgI, HgI₂, Pbl₂ Insoluble: MgF₂, CaF2, SrF2, BaF2, PbF2 No common exceptions Insoluble: BaSO4,…

how do you calculate the mass of evaporating dish after removing iron fillings? And the mass of Fe?

1. How many grams of Cu+ are present in 2.20 grams of copper(I) chromate? grams Cu+.2. How many grams of copper(I) chromate contain 3.24 grams of Cu+? grams copper(I) chromate.