The amount of anhydrous \( \mathrm{Na}_{2} \mathrm{CO}_{3} \) present in \( 250 \mathrm{~mL} \) ...
The amount of anhydrous \( \mathrm{Na}_{2} \mathrm{CO}_{3} \) present in \( 250 \mathrm{~mL} \) of \( 0.25 \mathrm{M} \) solution is:
(a) \( 6.225 \mathrm{~g} \)
(b) \( 66.25 \mathrm{~g} \)
(c) \( 6.0 \mathrm{~g} \)
(d) \( 6.625 \mathrm{~g} \)
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