A1.00 g sample of naphthalene (c10h8) contains 0.562 g of hydrogen. what is the mass percent of carbon in the compound? 10.079%

Fill in the coefficients that will balance the following reaction: a0cr2(so4)3 + a1agno3

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

What is the ph of a solution that has a hydrogen ion concentration of 1.0 * 10 -9 m?