35.67 g of NaNO3 is dissolved in water to make a 0.500 M solution. What is the volume of the solution in liters?

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

What rule is used to determine how many covalent bonds an element can form? a. the number of covalent bonds is equal to six c the number of covalent bonds is equal to five minus the group number plus the group number b. the number of covalent bonds is equal to eight d. none of the above minus the group number select the best answer from the choices provided

Sheela and her brother hari were sitting in the living room, watching tv. suddenly hari said that he thinks something is burning in the other room. how did he get the burning smell?