Which of the following is an acid? Group of answer choices Be(OH)2 HCl LiBr NH3

Remember to use the proper number of significant figures and leading zeros in all calculations.gelatin has a density of 1.27 g/cm³. if you have a blob of gelatin dessert that fills a 2.0 liter bottle, what is its mass? 2540 g2500 g3.9 x 10-43.937x 10-4

Find the number of grams of hcl needed to react completely with .50 moles of magnesium.

Calculate the mass of carbon in 97.0 g of sucrose c12h22o11