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## What is the equivalent weight of Ca OH 2?

For example, the molecular weight of calcium hydroxide, or “slaked lime,” [Ca(OH)_{2}] is **72.10**. Because the valency of calcium in this case is 2, the equivalent weight of lime is 36.05.

## What is the mass in grams of 2.5 moles of water?

The amount of oxygen in 2.5 moles of water is **40 grams**. The molecular formula of water is H₂O. 1 mole of water contains 1 mole of oxygen.

## What is the formula for moles to grams?

In order to convert the moles of a substance to grams, you will need to **multiply the mole value of the substance by its molar mass**.

## What is the mass in grams of 2.5 moles of chlorine gas?

Answer: Cl2 contains two Cl atom so molar mass will be 35 . 5 x2 that is 71 GRAM means 0ne mole of Cl2 has 71 gram so 2.5 mol will be equal to **2.5×71.** **Gram**.

## How many atoms does Ca OH 2 have?

Calcium hydroxide, Ca(OH) _{2} consists of **one calcium atom** (A _{r} = 40), two oxygen atoms (A _{r} = 16) and two hydrogen atoms (A _{r} = 1).

## What is the mass of Ca OH 2 for 10 liters?

74 ppm = 74 mg/L = 740 mg/10L = **0.74 g/10L**.

## How many moles are in 25 grams of co2?

Answer: The answer is **44.0095**.