What is the molar mass of hydrated salt of N a 2 CO 3 -10 H 2 O -A- 268 gB- 286 gC- 186 gD- 180 g

You visited us 1 times! Enjoying our articles? Unlock Full Access!

Byju's Answer

Standard IX

Chemistry

Ways of Representing the Concentration of a Solution

What is the m...

Question

What is the molar mass of hydrated salt of $N a_{2} C O_{3} .10 H_{2} O$ ?

186 g

No worries! We‘ve got your back. Try BYJU‘S free classes today!

268 g

No worries! We‘ve got your back. Try BYJU‘S free classes today!

286 g

Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses

180 g

No worries! We‘ve got your back. Try BYJU‘S free classes today!

Open in App

Solution

The correct option is C
286 g

286 grams

A hydrate is a chemical that has water molecules loosely bonded to it.

10 moles of water = 180 grams

Na = 46 grams, C = 12 grams, O = (3 * 16) = 48 grams

$N a_{2} C O_{3}$ = 106 grams

Suggest Corrections

Similar questions

Q. A crystalline hydrated salt on being rendered anhydrous loses 45.6% of its weight.
The percentage composition of the anhydrous salt is:

A l = 10.5 %, K = 15.1 %, S = 24.8 %

and oxygen

= 49.6 %

[Molar mass of

A l = 27, K = 39, S = 32

].

What is the empirical formula of the hydrated salt?

Q. If

2

millimoles of hydrated copper sulphate salt

(C u S O_{4} .5 H_{2} O)

is heated to dryness, then calculate the obtained mass of anhydrous copper sulphate salt.
(Given: molar mass of

C u = 63.5 g/mol

)

Q. A hydrated salt of

{N a}_{2} {S O}_{3}

loses 22.22% of its mass on strong heating. The hydrated salt is :

A solution of glucose (molar mass = 180 g/mol) in water is labelled as 10% (by mass). what would be the molality and molarity of the solution?
(density of solution = 1.2 g/mL)

Q. The empirical formula of a molecule with molar mass 180g is

C H_{2} O

. Calculate its molecular formula.

Join BYJU'S Learning Program

What is the molar mass of hydrated salt of Na2CO3.10H2O?

The correct option is C 286 g 286 grams A hydrate is a chemical that has water molecules loosely bonded to it. 10 moles of water = 180 grams Na = 46 grams, C = 12 grams, O = (3 * 16) = 48 grams Na2CO3 = 106 grams

What is the molar mass of hydrated salt of $N a_{2} C O_{3} .10 H_{2} O$ ?

The correct option is C
286 g

286 grams

A hydrate is a chemical that has water molecules loosely bonded to it.

10 moles of water = 180 grams

Na = 46 grams, C = 12 grams, O = (3 * 16) = 48 grams

$N a_{2} C O_{3}$ = 106 grams