Magnesium chromate is composed of Mg2+ and CrO4 ions Cross the charges, then reduce subscripts to determine the formula What is the correct formula? O A. Mg2(CrO4 )2 OB. Mg2Cro4 C. Mg(CrO4 )2 D. MgCrO4 E. Mg2CrO2 F. MgCrO2

How many grams of magnesium chromate, MgCrO4, are present in 3.82 moles of this compound? _____ grams How many moles of magnesium chromate are present in 1.03 grams of this compound? _____ moles How many grams of calcium sulfide, CaS , …

2024年5月31日 · The oxidation number of Cr in MgCrO4 is +6. This is because oxygen is typically assigned an oxidation number of -2, and the overall charge of the compound is 0, so the oxidation number of ...

Answer to Is magnesium chromate (MgCrO_4) soluble or insoluble. To approach this, establish an understanding of what solubility is and what factors, such as the nature of the compound, pH of the solution, and specific ions in the solution, can determine a compound's solubility.

Science; Chemistry; Chemistry questions and answers; The solubility of a substance is the quantity that dissolves to form a saturated solution, and it can be represented by the solubility product expression (K_sp).

The oxidation number of chromium in MgCrO4 is +6. Since the overall charge of the compound is 0, the sum of the oxidation numbers must equal 0. Therefore, the oxidation number of oxygen is -2.

A stock solution of MgCrO4 is available to prepare solutions that are more dilute. Calculate the volume, in mL, of a 2.0-M solution of MgCrO4 required to prepare exactly 250mL of a 0.510-M solution of MgCrO4. _____ mL? A solution is made by dissolving 19.6 g of iron(II) bromide, FeBr2, in

Refer to the flowcharts on the pages 5 and 6 to answer the following: 2. What does a double line mean? a. b. What does a branch in the chart mean? Is magnesium chromate (MgCrO4) soluble or insoluble in a mixture of NH3 and acetic acid solution? How do you know? c. Which ion's confirmation test (from Group II and the Transition Metals) does not ...

Question: (Please show work) Assume you dissolve 10.35 g MgCrO4 in enough water to make 250.0 mL of solution. The molarity of the solution is A)0.543M B)0.128M C)0.762M D)0.254 M E) none of the

MgCrO4 5. KMnO4 . please answer all. thanks kindly in advance! Show transcribed image text. Here’s the ...