HCl + KOH > KCl + H2O How many mole ratios can be written for the reaction with four substances?

What mass of carbon dioxide is produced from the complete combustion of 4.50×10−3 g of methane?

Select the correct answer. which statement is true about a polarized object? o a. it gains electrons and becomes negatively charged. ob. it gains protons and becomes positively charged. oc. the number of positive and negative charges can be the same. od. it has to be a metal. o e. there is no change in the distribution of the charge in the object. reset next what

Asolution contains 180 g of glucose (c6h12o6) and 162 g of water. what is the mole fraction of glucose?