How many neutrons does Hydrogen have? How many neutrons does Carbon Oxygen?

77.60 ml of. 210 M NaOH are required to neutralize 25.05 ml ofH2SO4 solution in a titrationexperiment. Calculate the molarity and normality of theH2SO4 solution.

If 3 moles of H2 react with two moles of o2 what is limiting reactant

Write the ions present in a solution of na3po4.

Who was the last Qajar Shah to rule over the Persian empire? a. Ahmad Shah Qajar b. Mozaffar al-Din Shah Qajar c. Reza Shah Pehlavi Qajar d. Mohammad Ali Shah Qajar

Which of the following elements is the most electronegative? A. Fluorine B. Boron C. Francium D. Titanium

What makes an acid or base strong?

In a laboratory, Carlos places one plate with grape jelly and another plate with cooked brown rice inside an ant farm. The next day, he finds that both plates are filled with ants.

Which statement is true at STP? (The atomic mass of Zn is 65.39 u.)

A sample of gas has a volume of 2.4 L and a pressure of 1.2 atm. What would the pressure of the same gas sample be if the volume is reduced to 1.8L at a constant temperature?

The elements most likely to form more than type of ion are the ... A. Transition metals B. alkali metals C. halogens D. alkaline earth metals