The percentage of sodium in sodium aluminium fluoride $[N a_{3} A l F_{6}]$ correct to the nearest whole number is:
[ $F = 19; N a = 23; A l = 27$ ]

23 %

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

33 %

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

46 %

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

66 %

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

Open in App

Solution

The correct option is B $33 %$
Molar mass of $N a_{3} A l F_{6}$ $= 210$ gm
% of $N a$ $= 69 \times \frac{100}{210} = 33$

Suggest Corrections

Similar questions

Calculate the percentage of sodium in sodium aluminium fluoride (Na₃AlF₆) correct to the nearest whole number.

(F= 19,Na = 23,Al = 27).

(a) Calculate the percentage of sodium in sodium aluminium fluoride (Na₃AIF₆) correct to the nearest whole number. (F = 19; Na = 23; Al = 27)
(b) 560 ml of carbon monoxide is mixed with 500 ml of oxygen and ignited. The chemical equation for the reaction is as follows:
2CO + O₂ $\overset{}{\to}$ 2CO₂
Calculate the volume of oxygen used and carbon dioxide formed in the above reaction.