What is thevformula og na2co3

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

In the reaction between a crushed antacid tablet and vinegar what gas is emitted

When a device is used in a circuit in which the voltage is 81 v the current flowing through the device is 3 a what is the resistance of the device