52.17%

## How do you find the number of waters of hydration?

The number of waters of hydration is given by the number of moles of water present for every 1 mole of anhydrous salt.

## What is the percent by mass of water in na2so4 10h2o?

1 Answer. Stefan V. Sodium sulfate decahydrate is 55.9%H2O .

## What is the percent by mass of water in the hydrate?

The molar mass of the hydrate is the molar mass of the CoCl2 plus the mass of water. Calculate the percent by mass of water by dividing the mass of H2O in 1 mole of the hydrate by the molar mass of the hydrate and multiplying by 100%.

28.2 %

## What is NH4 3po4 called?

Ammonium phosphate is the inorganic compound with the formula (NH4)3PO4.

## How do you count atoms in an equation?

in the formula. It also represents the number of molecules of that compound. has 4 sodium atoms, 2 sulphur atoms, and 8 oxygen atoms. When you count atoms, remember to multiply the coefficient number and the subscript number to find the number of atoms of that element.

## What is the total number of hydrogen atoms in the formula 3mg C2H3O2 2?

Elemental composition of *3Mg(C2H3O2)2

Element Symbol #
Magnesium Mg 3
Carbon C 12
Hydrogen H 18
Oxygen O 12

## What is the ratio by number of atoms for ammonia?

Element Ratio by Mass Mass ratio Atomic mass
N H 14 3 14/14 = 1 3/1 = 3

## Which is the correct formula to calculate the mass ratio of ammonia NH3 )?

Since there are 3 Hydrogen atoms present, the formula mass of H is 1.0 × 3 = 3.0 g/mol. Therefore, by adding them up, the formula mass of ammonia is: [14.0 g/mol + 3.0 g/mol] = 17.0 g/mol.

## How do you calculate mass ratios?

Apply the law of multiple proportions to the two compounds. For each compound, find the grams of copper that combine with 1.00 g of chlorine by dividing the mass of copper by the mass of chlorine. Then find the ratio of the masses of copper in the two compounds by dividing the larger value by the smaller value.

## What is the ratio of atoms in caco3?

In calcium carbonate, we have one atom of calcium, one of carbon and three of oxygen. So, the formula weight of calcium carbonate is: 100. So, calcium carbonate contains 40% calcium, 12% carbon and 48% oxygen by mass.