Barium chloride reacts with cooper (II) sulfate, to produce 0.0546 moles of barium sulfate how many moles of copper (II) sulfate was needed to produce this amount?

What is the mass percent of each element in water

Zn (s) + 2HCl (aq) - >ZnCl2 (aq) + H2 (g) Which statement is true at STP? (The atomic mass of Zn is 65.39 u.) 2 mol of HCl produce 1 L of H2 gas. 1 L of Zn produces 1L of H2 gas. 65.39 g of Zn produce 22.4 L of H2 gas.

Is the concentration of 25 cm3 solution same as 250 cm3 solution?

Which of the following is most likely to be amorphous? -glass -solid sulfur -solid calcium -gold

When should you replace the co2 cylinder in an inflatable pfd?

Part 2: Finding Speed and Height Using Energy Directions: Use the KE and GPE equations to solve for speed or height depending on the situation. 1. A 1,000-kg car has 50,000 joules of kinetic energy. What is its speed? 2.

Why is conductivity be the best test to find a metal, non-metal or metalloid?

In which way does a na1 + ion differ from a neutral na atom?

Which would not be associated with stable atmospheric conditions afternoon thunder showers is the answer

Which is not a characteristic of a compound? It is a mixture of elements. It has properties that differ from its component elements. It has a fixed proportion of elements.