単位をつけて計算しよう！
モル質量を使おう！
濃度変換の例

質量%(w/w%)から容量モル濃度，質量モル濃度
質量％は溶液中に溶質がどの程度存在するを質量で表したもの

37 w/w％の濃塩酸
37wHCl370 g
37% !
==1)絵を描く
100wH2 O + wHCl
1000 g2)記号より単位付きの数字でwHCl = 370 g, wH2 O = 630 g<latexit sha1_base64="vqmZYaLyZdiyWBc+PwUPHLksfe0=">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</latexit>

H2O

HCl

1 dm3 ~ 1000 gなので1000 g の溶液を考える

モル質量をつかう（原子量，分子量は無次元で単位がないため）
1<latexit sha1_base64="g7Oy2NVLjYlwRM5P4zcR7yL/ljw=">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</latexit>

M (HCl) = M (H) + M (Cl) = 1.00784 g mol= 36.46084 g mol

1' 36.5 g mol+ 35.453 g mol

11HCl 370 gの物質量は？ モル質量をつかう<latexit sha1_base64="2Iksq173z6AI3+dZvhEBxajLUWM=">AAACxHichVHLahRBFD1pX3F8ZKKbQDaFQ8SNzW0nmURBCAaCyzycJJCOQ3dbMxapftjdMxCbzgf4Ay5cKUgQP0MEf8BFPkGyTEI2Lrzd0z6DeouqOvfce27dqnIjrZKUaH/EOHP23PkLoxdrly5fuTpWH7+2loT92JNtL9RhvOE6idQqkO1UpVpuRLF0fFfLdXd7oYivD2ScqDB4lO5Ecst3eoHqKs9JmerUO3Y3drysOUvCFpkd+6KX51mzZc788Bn4oc4fZ7etXOTivrDItJqtu3PfM4qosBPly2dl7Fe+U2+QSaWJ08CqQAOVLYX1Pdh4ghAe+vAhESBlrOEg4bEJC4SIuS1kzMWMVBmXyFFjbZ+zJGc4zG7z2mNvs2ID9ouaSan2+BTNM2alwBR9pnd0SJ/oPX2hr3+tlZU1il52eHeHWhl1xl5MrJ78V+XznuLpT9U/e07RxVzZq+Leo5IpbuEN9YPnLw9X761MZTfpDR1w/69pnz7wDYLBkfd2Wa68Qo0/wPrzuU+DtTum1TKnl6cb8w+qrxjFJG7gFr/3LObxEEto87kfcYAjHBuLhjYSoz9MNUYqzXX8ZsbuNysRqhk=</latexit>

370 g=
10.13698mol'
10.1mol
136.5 g mol
無次元の分子量を使うと単位がgになってしまう質量モル濃度 = 溶質の物質量(mol) / 溶媒の質量(kg)<latexit sha1_base64="EkNnf7dzgCqFaEfkji+xsDfAP1o=">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</latexit>

10.1 mol
1
1= 16.09 mol kg ' 16 mol kg
0.630 kg
H2O

HCl

溶媒溶質

3
容量モル濃度 = 溶質の物質量(mol) / 溶液の体積質量(dm )H2O1000 g の溶液の体積は？
質量を体積にかえる量が必要
HCl-3
それは密度 g cm

-337w/w%の塩酸の密度は1.19 g cm

1cm3あたりの質量(g)
水1g

白金 21.45 g

密度をかけるのか割るのかわからなくなるが単位をつけると明確になる

1000 g
33V ==840.33cm=
0.84033dm
3
1.19 g cm
10.1 mol
33=
12.019mol
dm'12moldm
c=30.84033 dm<latexit sha1_base64="DB0DQIoVl6+SSerffZmnr+TQ/30=">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</latexit>