Write the chemical formula for the following and also calculate the molecular mass of baking powder.

N a H C O_{3}, 84 g m o l^{- 1}

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N a H C O_{3}, 86 g m o l^{- 1}

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N a H C O_{3}, 85 g m o l^{- 1}

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N a H C O_{3}, 88 g m o l^{- 1}

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Solution

The correct option is A $N a H C O_{3}, 84 g m o l^{- 1}$
Chemical formula of basking soda = $N a H C O_{3}$
Molecular mass = $23 + 1 + 12 + (3 \times 16) = 84 g m o l^{- 1}$

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Write the chemical formula for the following and also calculate the molecular mass of baking powder.

The correct option is A NaHCO3,84 g mol−1 Chemical formula of basking soda = NaHCO3 Molecular mass = 23+1+12+(3×16)=84 g mol−1

The correct option is A $N a H C O_{3}, 84 g m o l^{- 1}$
Chemical formula of basking soda = $N a H C O_{3}$
Molecular mass = $23 + 1 + 12 + (3 \times 16) = 84 g m o l^{- 1}$