What volume in L of a 0.32 M Mg(NO₂), solution contains 45 g of Mg(NO₂)₂ ?

The following drawings represent the same molecules. H Н. H True False H

BaCl2٠2H2O What is the mass salt?  What is the mass water?  What is the mass percent?

View History Bookmarks Develop Window Help A east.cengagenow.com [References) 1 pt EXERCISE Unit Conversion 1 pt Drag conversion units onto the boxes in the equation to make conversions. Some boxes can be left empty. Click on a unit to remove it from its position. 1 pt 1 cm³ Cu 9 g Cu 9.5 x 1021 atoms Cu 1 g Cu 1 pt 1 kg 1000 g 1 cm = 1 mL 1 pt 1 L 1000 cm3 1 pt 1 pt 520 L x 1 pt 1 pt 1 pt A piece of copper has a volume 520 L. What is the mass of the sample, in units of grams? In the boxes above, enter the correct setup that would be used to solve this problem. 1 pt 1 pt Check Next (2 of 3) 1 pt 1 pt Submit Answer Try Another Version 2 item attempts remaining 1 pt

The periodic law states that elements in the same _____________ will have similar physical and chemical characteristics

I am struggling to get this question right and would really appreciate any help. Pls make sure you’re anser is corrrecf 100% pls and thank you !

mistry F20 SE 1. If you have 23.2 grams of gold, what is the volume of the sample? Densities of Some Common Metals Metal Density (g/mL) Copper 8.94 the Aluminum 2.70 Gold 19.3 (A) 0.116 ml (B) 0.832 mL (C) 1.20 ml (D) 8.59 mL DELL

plz explain the answer choices

Percentage Abundance. The element rubidium consists of two isotopes, one having an isotopic mass of 84.912 and the other having an isotopic mass of 86.920.  Determine the percentage abundance of the lighter isotope.  Record the answer to the correct number of significant figures. Show the numerical set-ups.  Include units and the correct number of significant figures in the set-up.