NEET UG · Chemistry

Mole concept

29 practice questions, each with the answer and an explanation.

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All 29 questions

What is the molar mass (in g/mol) of $NaOH$ ? (H = 1, C = 12, N = 14, O = 16, Na = 23, S = 32, Ca = 40)
What is the molar mass (in g/mol) of $CaC O_{3}$ ? (H = 1, C = 12, N = 14, O = 16, Na = 23, S = 32, Ca = 40)
What is the molar mass (in g/mol) of $HN O_{3}$ ? (H = 1, C = 12, N = 14, O = 16, Na = 23, S = 32, Ca = 40)
What is the molar mass (in g/mol) of $N H_{3}$ ? (H = 1, C = 12, N = 14, O = 16, Na = 23, S = 32, Ca = 40)
What is the molar mass (in g/mol) of $C O_{2}$ ? (H = 1, C = 12, N = 14, O = 16, Na = 23, S = 32, Ca = 40)
What is the molar mass (in g/mol) of $C_{6} H_{12} O_{6}$ ? (H = 1, C = 12, N = 14, O = 16, Na = 23, S = 32, Ca = 40)
What is the molar mass (in g/mol) of $H_{2} O$ ? (H = 1, C = 12, N = 14, O = 16, Na = 23, S = 32, Ca = 40)
What is the molar mass (in g/mol) of $C H_{4}$ ? (H = 1, C = 12, N = 14, O = 16, Na = 23, S = 32, Ca = 40)
How many moles are present in $234 g$ of $NaCl$ ? (molar mass $= 58.5 g/mol$ )
What is the molar mass (in g/mol) of $H_{2} S O_{4}$ ? (H = 1, C = 12, N = 14, O = 16, Na = 23, S = 32, Ca = 40)
How many moles are present in $117 g$ of $NaCl$ ? (molar mass $= 58.5 g/mol$ )
How many moles are present in $36 g$ of $H_{2} O$ ? (molar mass $= 18 g/mol$ )
How many moles are present in $72 g$ of $H_{2} O$ ? (molar mass $= 18 g/mol$ )
How many moles are present in $88 g$ of $C O_{2}$ ? (molar mass $= 44 g/mol$ )
How many moles are present in $176 g$ of $C O_{2}$ ? (molar mass $= 44 g/mol$ )
How many moles are present in $80 g$ of $NaOH$ ? (molar mass $= 40 g/mol$ )
How many moles are present in $160 g$ of $NaOH$ ? (molar mass $= 40 g/mol$ )
How many moles are present in $196 g$ of $H_{2} S O_{4}$ ? (molar mass $= 98 g/mol$ )
How many moles are present in $392 g$ of $H_{2} S O_{4}$ ? (molar mass $= 98 g/mol$ )
How many moles are present in $200 g$ of $CaC O_{3}$ ? (molar mass $= 100 g/mol$ )
How many moles are present in $400 g$ of $CaC O_{3}$ ? (molar mass $= 100 g/mol$ )
How many moles are present in $73 g$ of $HCl$ ? (molar mass $= 36.5 g/mol$ )
How many moles are present in $146 g$ of $HCl$ ? (molar mass $= 36.5 g/mol$ )
How many moles are present in $32 g$ of $C H_{4}$ ? (molar mass $= 16 g/mol$ )
How many moles are present in $64 g$ of $C H_{4}$ ? (molar mass $= 16 g/mol$ )
How many moles are present in $34 g$ of $N H_{3}$ ? (molar mass $= 17 g/mol$ )
How many moles are present in $68 g$ of $N H_{3}$ ? (molar mass $= 17 g/mol$ )
How many moles are present in $64 g$ of $O_{2}$ ? (molar mass $= 32 g/mol$ )
How many moles are present in $128 g$ of $O_{2}$ ? (molar mass $= 32 g/mol$ )

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