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## What is the mass of 3 moles of calcium atoms?

Therefore, $mass = **332.9g**$ .

## What is the mass of 4 moles of calcium atoms?

Answer: since the atomic weight of calcium is 40 therefore 1 mole will have 40 grams weight. hence 4 moles will have **160grams weight**. hope this helps you.

## What is the mass of 3 moles of sodium?

Explanation: Sodium metal has a molar mass of **22.99⋅g** .

## How many grams is 3.55 moles of glucose?

There are **639.55 grams** of glucose in 3.55 moles of glucose.

## How many grams of CaCl2 are in 250 ml of 2.0 M CaCl2?

The solution contains 0.50 mol or 55 g of CaCl2 . You know there are 2.0 mol of CaCl2 in 1 L of solution. (40.08 + 2 × 35.45) g=(40.08 + 70.90) g=**110.98 g** .