Mar 9, 2025 · Simply divide the mass of water by its molar mass to find the number of moles. The molecular mass of water (H2O) is 18, which means the total mass of one oxygen atom and two …

May 31, 2024 · To find the number of moles in 48 grams of water, we first need to calculate the molar mass of water (H2O), which is approximately 18 grams/mol (1 mol of H2O = 18 grams).

Question: Consider the reaction: 2 HCl (aq) + M2CO3 (aq) - 2 MCl (aq) + CO2 (g) + H20 (1) - + If 45.09 g of the metal carbonate (M2CO3) reacts completely with excess hydrochloric acid, how many grams …

Question 10 (1 point) Saved Select the answer which best explains the observation using appropriate chemical principles: a. At room temperature NH3 is a gas and H20 is a liquid, even though NH3 has …

Science Chemistry Chemistry questions and answers How many grams of water (H20) will 100. grams of hydrogen peroxide (H202) produce? 2H202 2H20 + O2 (The molar mass of H20 is 18.01 g/mol …

Determine the atomic masses of hydrogen (H) and oxygen (O) and then calculate the mass contributed by each element in one mole of water molecules.

Calculate the mass of manganese sulfate monohydrate (MnSO4 H20) needed to make 50.00 mL of a 0.020 mol/L aqueous solution. Note that the molar mass of MnSO4 H20 includes the water.

Dec 31, 2025 · Here’s how to approach this question Calculate the mass of water (H 2 O) in the hydrated copper sulfate (C u S O 4 5 H 2 O) by considering the number of moles of H 2 O and its …

Calculate the molar mass K2C2O4+H20, CaCl2-2H20, and the CaC2O4 product. (Hint: Include each H20) A 0.879 g sample of a CaCl2.2H2O/K_C204+H2O salt mixture was added to 150 mL of water.

Jun 17, 2024 · What is the formula mass of h20? The formula mass of H2O (water) is calculated by adding the atomic masses of the elements present in the compound.